feat(configmanager): add ConnectionStrings editor with test connection support
Adds a new ConnectionStrings section to ConfigManager allowing users to manage database connection strings with provider selection, connection testing, and visual feedback for connection state.
This commit is contained in:
Joseph Doherty
@@ -0,0 +1,299 @@
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# ConnectionStrings Editor - Design Plan
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## Overview
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Add a ConnectionStrings section under Settings in the ConfigManager tree view. This section provides a master-detail editor for managing database connection strings with provider-specific field editing.
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## Design Decisions
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| Decision | Choice | Rationale |
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|----------|--------|-----------|
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| Storage location | appsettings.json | Consistent with existing settings pattern |
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| Field editing | Provider-specific parsed fields | Better UX than raw connection string editing |
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| Supported providers | Generic, Oracle, SqlServer | Covers existing JDE/CMS/MSSQL needs |
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| SQL Server auth | SQL Authentication only | Windows auth not needed for this use case |
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| Password display | Masked with reveal toggle | Security + usability balance |
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| Edit workflow | Inline panel editing | Matches existing form patterns |
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| Delete behavior | Confirmation dialog, immediate | Prevents accidents, clear feedback |
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## Architecture
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### Tree Structure
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```
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Settings/
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├── DataSync
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├── DataAccess
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├── Auth
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├── Ldap
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├── Search
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├── ExcelExport
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└── ConnectionStrings <-- NEW
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```
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### Data Model
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**ConnectionStringEntry** - represents a single connection string:
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```csharp
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public class ConnectionStringEntry
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{
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public string Name { get; set; } = string.Empty;
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public ConnectionProvider Provider { get; set; } = ConnectionProvider.Generic;
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// SqlServer fields
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public string? Server { get; set; }
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public string? Database { get; set; }
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public string? UserId { get; set; }
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public string? Password { get; set; }
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public string Encrypt { get; set; } = "True";
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public bool TrustServerCertificate { get; set; }
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public int ConnectionTimeout { get; set; } = 30;
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public string? ApplicationName { get; set; }
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// Oracle fields
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public string? Host { get; set; }
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public int Port { get; set; } = 1521;
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public string? ServiceName { get; set; }
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// Generic fields
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public string? RawConnectionString { get; set; }
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// Generates the final connection string based on Provider
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public string GenerateConnectionString() { ... }
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}
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public enum ConnectionProvider
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{
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Generic,
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SqlServer,
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Oracle
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}
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```
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**ConnectionStringsSection** - the config model section:
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```csharp
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public class ConnectionStringsSection
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{
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public List<ConnectionStringEntry> Entries { get; set; } = new();
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}
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```
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### ViewModel Structure
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```
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ConnectionStringsFormViewModel
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├── Connections : ObservableCollection<ConnectionStringEntryViewModel>
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├── SelectedConnection : ConnectionStringEntryViewModel?
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├── HasSelection : bool
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├── AvailableProviders : IReadOnlyList<ConnectionProvider>
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├── AddConnectionCommand
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├── DeleteConnectionCommand
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├── ValidateConnectionCommand
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├── TestConnectionCommand
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```
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**ConnectionStringEntryViewModel** - wraps each entry for editing:
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```csharp
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public class ConnectionStringEntryViewModel : ViewModelBase
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{
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// All fields from ConnectionStringEntry exposed as properties
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// Provider property triggers template switching
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// GeneratedConnectionString property for preview
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// IsPasswordVisible for password reveal toggle
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}
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```
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### Connection String Formats
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**SqlServer:**
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```
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Server={server};Database={database};User Id={userId};Password={password};Encrypt={encrypt};TrustServerCertificate={trust};Connection Timeout={timeout};Application Name={appName};
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```
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**Oracle (EZConnect):**
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```
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Data Source=//{host}:{port}/{serviceName};User Id={userId};Password={password};Connection Timeout={timeout};
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```
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**Generic:**
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Raw connection string as entered by user.
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## UI Design
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### Layout Structure
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```
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┌─────────────────────────────────────────────────────────┐
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│ Connection Strings │
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│ ──────────────────────────────────────────────────────── │
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├─────────────────────────────────────────────────────────┤
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│ ┌─────────────────────────────────────────────────────┐ │
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│ │ Connections (3) │ │
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│ │ ┌────────────┬──────────┬─────────────────────────┐ │ │
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│ │ │ Name │ Provider │ Server │ │ │
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│ │ ├────────────┼──────────┼─────────────────────────┤ │ │
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│ │ │ jde │ Oracle │ jdeserver.company.com │ │ │
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│ │ │ mssql │ SqlServer│ localhost\SQLEXPRESS │ │ │
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│ │ │ cms │ Generic │ - │ │ │
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│ │ └────────────┴──────────┴─────────────────────────┘ │ │
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│ │ [+ Add] [Delete] │ │
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│ └─────────────────────────────────────────────────────┘ │
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├─────────────────────────────────────────────────────────┤
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│ ┌─────────────────────────────────────────────────────┐ │
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│ │ Edit Connection: mssql │ │
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│ │ │ │
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│ │ Name * Provider * │ │
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│ │ [mssql ] [SqlServer ▼] │ │
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│ │ ──────────────────────────────────────────────────── │ │
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│ │ Server * Database * │ │
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│ │ [localhost\SQLEXPRESS] [ScopingTool ] │ │
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│ │ │ │
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│ │ User Id Password │ │
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│ │ [sa ] [•••••••• ] [👁] │ │
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│ │ │ │
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│ │ Encrypt ☐ Trust Server Certificate │ │
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│ │ [True ▼] (Skip cert validation) │ │
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│ │ │ │
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│ │ Connection Timeout Application Name │ │
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│ │ [30 ] [JdeScopingTool ] │ │
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│ │ ──────────────────────────────────────────────────── │ │
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│ │ CONNECTION STRING PREVIEW │ │
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│ │ Server=localhost\SQLEXPRESS;Database=ScopingTool;... │ │
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│ └─────────────────────────────────────────────────────┘ │
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├─────────────────────────────────────────────────────────┤
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│ ┌─────────────────────────────────────────────────────┐ │
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│ │ [Validate] [Test Connection] │ │
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│ └─────────────────────────────────────────────────────┘ │
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└─────────────────────────────────────────────────────────┘
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```
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### Provider-Specific Forms
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**SqlServer fields:**
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- Server (text, required)
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- Database (text, required)
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- User Id (text)
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- Password (password with reveal toggle)
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- Encrypt (dropdown: True/False/Strict)
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- TrustServerCertificate (checkbox)
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- Connection Timeout (numeric, default 30)
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- Application Name (text)
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**Oracle fields:**
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- Host (text, required)
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- Port (numeric, default 1521)
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- Service Name (text, required)
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- User Id (text, required)
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- Password (password with reveal toggle, required)
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- Connection Timeout (numeric)
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**Generic fields:**
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- Connection String (multiline text, required)
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### Button Behaviors
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| Button | Action |
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|--------|--------|
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| Add | Creates new entry with default values, selects it |
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| Delete | Shows confirmation dialog, removes entry on confirm |
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| Validate | Validates connection string syntax (no network call) |
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| Test | Attempts actual database connection, shows modal with result |
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### State Transitions
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```
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No connections → Empty state with "Add First Connection" button
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Connections exist, none selected → Table visible, placeholder in edit area
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Connection selected → Edit form visible with provider-specific fields
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Field changed → Entry marked dirty, generates preview string
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Save (via main Save) → All changes persisted to appsettings.json
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```
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## Integration Points
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### ConfigModel Integration
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Add `ConnectionStrings` property to `ConfigModel`:
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```csharp
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public class ConfigModel
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{
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// Existing properties...
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public ConnectionStringsSection ConnectionStrings { get; set; } = new();
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}
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```
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### MainWindowViewModel Integration
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- Add ConnectionStrings node to tree under Settings folder
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- Handle node selection to load `ConnectionStringsFormViewModel`
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- Mark node as modified when connection strings change
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### Serialization
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Connection strings serialize to appsettings.json as:
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```json
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{
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"ConnectionStrings": {
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"Entries": [
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{
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"Name": "mssql",
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"Provider": "SqlServer",
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"Server": "localhost\\SQLEXPRESS",
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"Database": "ScopingTool",
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"UserId": "sa",
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"Password": "secretpassword",
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"Encrypt": "True",
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"TrustServerCertificate": true,
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"ConnectionTimeout": 30,
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"ApplicationName": "JdeScopingTool"
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},
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{
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"Name": "jde",
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"Provider": "Oracle",
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"Host": "jdeserver.company.com",
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"Port": 1521,
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"ServiceName": "JDEPROD",
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"UserId": "jde_readonly",
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"Password": "oraclepassword",
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"ConnectionTimeout": 60
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}
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]
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}
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}
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```
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## Testing Strategy
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### Unit Tests
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1. **ConnectionStringEntry tests:**
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- GenerateConnectionString produces correct format per provider
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- Default values are correct
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- Required field validation
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2. **ConnectionStringEntryViewModel tests:**
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- Property changes raise PropertyChanged
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- Provider change clears irrelevant fields
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- Password visibility toggle works
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3. **ConnectionStringsFormViewModel tests:**
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- Add creates new entry and selects it
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- Delete removes selected entry
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- Selection change updates form
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- HasSelection reflects state correctly
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### Integration Tests
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1. **Serialization round-trip:**
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- Save and reload preserves all fields
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- Provider enum serializes correctly
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2. **Connection testing:**
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- SqlServer test connection works
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- Oracle test connection works
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- Error messages displayed correctly
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@@ -0,0 +1,421 @@
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# ConnectionStrings Editor - Implementation Plan
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## Overview
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Step-by-step implementation guide for adding ConnectionStrings editor to ConfigManager.
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**Estimated tasks:** 12 tasks in 4 batches
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---
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## Batch 1: Data Models
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### Task 1: Create ConnectionProvider enum
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**File:** `NEW/src/Utils/JdeScoping.ConfigManager/Models/ConnectionProvider.cs`
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```csharp
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namespace JdeScoping.ConfigManager.Models;
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/// <summary>
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/// Database provider types supported by the ConnectionStrings editor.
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/// </summary>
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public enum ConnectionProvider
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{
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Generic,
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SqlServer,
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Oracle
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}
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```
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**Verification:** Build succeeds.
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---
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### Task 2: Create ConnectionStringEntry model
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**File:** `NEW/src/Utils/JdeScoping.ConfigManager/Models/ConnectionStringEntry.cs`
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```csharp
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namespace JdeScoping.ConfigManager.Models;
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/// <summary>
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/// Represents a single connection string entry with provider-specific fields.
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/// </summary>
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public class ConnectionStringEntry
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{
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public string Name { get; set; } = string.Empty;
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public ConnectionProvider Provider { get; set; } = ConnectionProvider.Generic;
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// SqlServer fields
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public string? Server { get; set; }
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public string? Database { get; set; }
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public string? UserId { get; set; }
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public string? Password { get; set; }
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public string Encrypt { get; set; } = "True";
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public bool TrustServerCertificate { get; set; }
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public int ConnectionTimeout { get; set; } = 30;
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public string? ApplicationName { get; set; }
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// Oracle fields
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public string? Host { get; set; }
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public int Port { get; set; } = 1521;
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public string? ServiceName { get; set; }
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// Generic fields
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public string? RawConnectionString { get; set; }
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/// <summary>
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/// Generates the connection string based on the Provider type.
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/// </summary>
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public string GenerateConnectionString()
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{
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return Provider switch
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{
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ConnectionProvider.SqlServer => GenerateSqlServerConnectionString(),
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ConnectionProvider.Oracle => GenerateOracleConnectionString(),
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ConnectionProvider.Generic => RawConnectionString ?? string.Empty,
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_ => string.Empty
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};
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}
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private string GenerateSqlServerConnectionString()
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{
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var parts = new List<string>();
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if (!string.IsNullOrWhiteSpace(Server))
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parts.Add($"Server={Server}");
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if (!string.IsNullOrWhiteSpace(Database))
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parts.Add($"Database={Database}");
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if (!string.IsNullOrWhiteSpace(UserId))
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parts.Add($"User Id={UserId}");
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if (!string.IsNullOrWhiteSpace(Password))
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parts.Add($"Password={Password}");
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if (!string.IsNullOrWhiteSpace(Encrypt))
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parts.Add($"Encrypt={Encrypt}");
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if (TrustServerCertificate)
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parts.Add("TrustServerCertificate=True");
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if (ConnectionTimeout != 30)
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parts.Add($"Connection Timeout={ConnectionTimeout}");
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if (!string.IsNullOrWhiteSpace(ApplicationName))
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parts.Add($"Application Name={ApplicationName}");
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return string.Join(";", parts);
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}
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private string GenerateOracleConnectionString()
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{
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var parts = new List<string>();
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var host = Host ?? "localhost";
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var port = Port > 0 ? Port : 1521;
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var service = ServiceName ?? "";
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parts.Add($"Data Source=//{host}:{port}/{service}");
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if (!string.IsNullOrWhiteSpace(UserId))
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parts.Add($"User Id={UserId}");
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if (!string.IsNullOrWhiteSpace(Password))
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parts.Add($"Password={Password}");
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if (ConnectionTimeout > 0 && ConnectionTimeout != 30)
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parts.Add($"Connection Timeout={ConnectionTimeout}");
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return string.Join(";", parts);
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}
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}
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```
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**Verification:** Build succeeds.
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---
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### Task 3: Create ConnectionStringsSection model
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**File:** `NEW/src/Utils/JdeScoping.ConfigManager/Models/ConnectionStringsSection.cs`
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```csharp
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namespace JdeScoping.ConfigManager.Models;
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/// <summary>
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/// Configuration section for connection strings.
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/// </summary>
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public class ConnectionStringsSection
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{
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public List<ConnectionStringEntry> Entries { get; set; } = new();
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}
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```
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**Verification:** Build succeeds.
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---
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### Task 4: Add ConnectionStrings to ConfigModel
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**File:** `NEW/src/Utils/JdeScoping.ConfigManager/Models/ConfigModel.cs`
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Add property to existing ConfigModel class:
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```csharp
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public ConnectionStringsSection ConnectionStrings { get; set; } = new();
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```
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**Verification:** Build succeeds.
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||||
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---
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## Batch 2: ViewModels
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### Task 5: Create ConnectionStringEntryViewModel
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**File:** `NEW/src/Utils/JdeScoping.ConfigManager/ViewModels/Forms/ConnectionStringEntryViewModel.cs`
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Create ViewModel that wraps ConnectionStringEntry with:
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- All properties exposed with change notification
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- `GeneratedConnectionString` computed property
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- `IsPasswordVisible` toggle property
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- `TogglePasswordVisibilityCommand`
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- `ProviderDisplay` and `ServerDisplay` for table columns
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Key implementation details:
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- Constructor takes `ConnectionStringEntry model` and `Action onChanged`
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- All setters call `OnPropertyChanged()` and `_onChanged()`
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- When Provider changes, also notify `GeneratedConnectionString`
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- ServerDisplay returns Server (SqlServer), Host (Oracle), or "-" (Generic)
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**Verification:** Build succeeds.
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||||
---
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### Task 6: Create ConnectionStringsFormViewModel
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**File:** `NEW/src/Utils/JdeScoping.ConfigManager/ViewModels/Forms/ConnectionStringsFormViewModel.cs`
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Create main ViewModel with:
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- `Connections : ObservableCollection<ConnectionStringEntryViewModel>`
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- `SelectedConnection : ConnectionStringEntryViewModel?`
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- `HasSelection : bool` (computed from SelectedConnection != null)
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- `ConnectionCount : int` (computed from Connections.Count)
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- `AvailableProviders : IReadOnlyList<ConnectionProvider>`
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- `EncryptOptions : IReadOnlyList<string>` = ["True", "False", "Strict"]
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Commands:
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- `AddConnectionCommand` - creates new entry with default name "NewConnection", selects it
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- `DeleteConnectionCommand` - requires confirmation via IDialogService, removes selected
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- `ValidateConnectionCommand` - validates syntax, shows result via IDialogService
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- `TestConnectionCommand` - tests actual connection, shows modal result
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Constructor takes:
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- `ConnectionStringsSection model`
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- `Action onChanged`
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- `IDialogService dialogService`
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**Verification:** Build succeeds.
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||||
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||||
---
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### Task 7: Create IConnectionTestService interface and implementation
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**File:** `NEW/src/Utils/JdeScoping.ConfigManager/Services/IConnectionTestService.cs`
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```csharp
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namespace JdeScoping.ConfigManager.Services;
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public interface IConnectionTestService
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{
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Task<ConnectionTestResult> TestConnectionAsync(string connectionString, ConnectionProvider provider);
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}
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public class ConnectionTestResult
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{
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public bool Success { get; init; }
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public string Message { get; init; } = string.Empty;
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public TimeSpan? Duration { get; init; }
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}
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```
|
||||
|
||||
**File:** `NEW/src/Utils/JdeScoping.ConfigManager/Services/ConnectionTestService.cs`
|
||||
|
||||
Implementation that:
|
||||
- Uses `Microsoft.Data.SqlClient` for SqlServer
|
||||
- Uses `Oracle.ManagedDataAccess.Client` for Oracle (or stub if not available)
|
||||
- Returns success/failure with timing and error message
|
||||
|
||||
**Verification:** Build succeeds.
|
||||
|
||||
---
|
||||
|
||||
## Batch 3: Views (AXAML)
|
||||
|
||||
### Task 8: Create ConnectionStringsFormView.axaml
|
||||
|
||||
**File:** `NEW/src/Utils/JdeScoping.ConfigManager/Views/Forms/ConnectionStringsFormView.axaml`
|
||||
|
||||
Create view with:
|
||||
1. Header section ("Connection Strings" with separator)
|
||||
2. Connections list section:
|
||||
- DataGrid with Name, Provider, Server columns
|
||||
- Height="200", selection mode single
|
||||
- Toolbar with Add, Delete buttons
|
||||
3. Placeholder section (when no selection):
|
||||
- "Select a connection string to edit" text
|
||||
4. Edit form section (when selection exists):
|
||||
- Name + Provider fields (always visible)
|
||||
- ContentControl with DataTemplates for provider-specific fields
|
||||
5. Action buttons section:
|
||||
- Validate, Test Connection buttons
|
||||
|
||||
Use existing form styling:
|
||||
- Background="#0D0F12", BorderBrush="#2D3540"
|
||||
- Input Background="#232A35"
|
||||
- FontFamily="JetBrains Mono" for values
|
||||
- MaxWidth="800" (wider than other forms for table)
|
||||
|
||||
**Verification:** Build succeeds and view renders.
|
||||
|
||||
---
|
||||
|
||||
### Task 9: Create provider-specific DataTemplates
|
||||
|
||||
Within ConnectionStringsFormView.axaml, create DataTemplates in UserControl.Resources:
|
||||
|
||||
**SqlServerTemplate:**
|
||||
- Server, Database fields (row)
|
||||
- UserId, Password fields (row, password with reveal button)
|
||||
- Encrypt dropdown, TrustServerCertificate checkbox (row)
|
||||
- ConnectionTimeout, ApplicationName fields (row)
|
||||
- Connection string preview box
|
||||
|
||||
**OracleTemplate:**
|
||||
- Host, Port fields (row)
|
||||
- ServiceName field
|
||||
- UserId, Password fields (row, password with reveal button)
|
||||
- ConnectionTimeout field
|
||||
- Connection string preview box
|
||||
|
||||
**GenericTemplate:**
|
||||
- Info banner explaining generic usage
|
||||
- Connection String multiline TextBox
|
||||
|
||||
Use ContentControl with binding to switch templates based on Provider.
|
||||
|
||||
**Verification:** Build succeeds, templates render correctly.
|
||||
|
||||
---
|
||||
|
||||
### Task 10: Create ConnectionStringsFormView.axaml.cs code-behind
|
||||
|
||||
**File:** `NEW/src/Utils/JdeScoping.ConfigManager/Views/Forms/ConnectionStringsFormView.axaml.cs`
|
||||
|
||||
Standard Avalonia code-behind:
|
||||
|
||||
```csharp
|
||||
using Avalonia.Controls;
|
||||
|
||||
namespace JdeScoping.ConfigManager.Views.Forms;
|
||||
|
||||
public partial class ConnectionStringsFormView : UserControl
|
||||
{
|
||||
public ConnectionStringsFormView()
|
||||
{
|
||||
InitializeComponent();
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
**Verification:** Build succeeds.
|
||||
|
||||
---
|
||||
|
||||
## Batch 4: Integration & Tests
|
||||
|
||||
### Task 11: Integrate into MainWindowViewModel
|
||||
|
||||
**File:** `NEW/src/Utils/JdeScoping.ConfigManager/ViewModels/MainWindowViewModel.cs`
|
||||
|
||||
Updates needed:
|
||||
|
||||
1. In `BuildSettingsNodes()` method, add ConnectionStrings node:
|
||||
```csharp
|
||||
new TreeNodeViewModel("ConnectionStrings", "🔗", TreeNodeType.SettingsSection)
|
||||
{
|
||||
SectionKey = "ConnectionStrings"
|
||||
}
|
||||
```
|
||||
|
||||
2. In `LoadFormViewModelForNode()` method, add case for ConnectionStrings:
|
||||
```csharp
|
||||
"ConnectionStrings" => new ConnectionStringsFormViewModel(
|
||||
_appSettingsConfig!.ConnectionStrings,
|
||||
MarkCurrentNodeModified,
|
||||
_dialogService,
|
||||
_connectionTestService),
|
||||
```
|
||||
|
||||
3. Register `IConnectionTestService` in DI (App.axaml.cs or Program.cs)
|
||||
|
||||
**Verification:**
|
||||
- Build succeeds
|
||||
- ConnectionStrings appears in Settings tree
|
||||
- Clicking node shows form
|
||||
|
||||
---
|
||||
|
||||
### Task 12: Add unit tests
|
||||
|
||||
**File:** `NEW/tests/JdeScoping.ConfigManager.Tests/Models/ConnectionStringEntryTests.cs`
|
||||
|
||||
Test cases:
|
||||
- `GenerateConnectionString_SqlServer_ProducesCorrectFormat`
|
||||
- `GenerateConnectionString_SqlServer_OmitsDefaultTimeout`
|
||||
- `GenerateConnectionString_Oracle_ProducesEZConnectFormat`
|
||||
- `GenerateConnectionString_Generic_ReturnsRawString`
|
||||
- `DefaultValues_AreCorrect`
|
||||
|
||||
**File:** `NEW/tests/JdeScoping.ConfigManager.Tests/ViewModels/Forms/ConnectionStringEntryViewModelTests.cs`
|
||||
|
||||
Test cases:
|
||||
- `Constructor_InitializesFromModel`
|
||||
- `PropertyChange_UpdatesModel`
|
||||
- `PropertyChange_InvokesOnChanged`
|
||||
- `TogglePasswordVisibility_TogglesIsPasswordVisible`
|
||||
- `ProviderDisplay_ReturnsCorrectString`
|
||||
- `ServerDisplay_ReturnsServerForSqlServer`
|
||||
- `ServerDisplay_ReturnsHostForOracle`
|
||||
- `ServerDisplay_ReturnsDashForGeneric`
|
||||
|
||||
**File:** `NEW/tests/JdeScoping.ConfigManager.Tests/ViewModels/Forms/ConnectionStringsFormViewModelTests.cs`
|
||||
|
||||
Test cases:
|
||||
- `Constructor_InitializesFromModel`
|
||||
- `AddConnection_CreatesNewEntryAndSelectsIt`
|
||||
- `DeleteConnection_RemovesSelectedEntry`
|
||||
- `SelectedConnection_UpdatesHasSelection`
|
||||
- `HasSelection_IsFalseWhenNothingSelected`
|
||||
- `ConnectionCount_ReflectsCollectionSize`
|
||||
|
||||
**Verification:** All tests pass.
|
||||
|
||||
---
|
||||
|
||||
## Summary
|
||||
|
||||
| Batch | Tasks | Description |
|
||||
|-------|-------|-------------|
|
||||
| 1 | 1-4 | Data models (ConnectionProvider, ConnectionStringEntry, ConnectionStringsSection, ConfigModel update) |
|
||||
| 2 | 5-7 | ViewModels (ConnectionStringEntryViewModel, ConnectionStringsFormViewModel, IConnectionTestService) |
|
||||
| 3 | 8-10 | Views (ConnectionStringsFormView, DataTemplates, code-behind) |
|
||||
| 4 | 11-12 | Integration (MainWindowViewModel, DI registration) and unit tests |
|
||||
|
||||
## Post-Implementation Verification
|
||||
|
||||
After all tasks complete:
|
||||
|
||||
1. `dotnet build NEW/JdeScoping.slnx` - should succeed
|
||||
2. `dotnet test NEW/JdeScoping.slnx` - all tests should pass
|
||||
3. Run ConfigManager app:
|
||||
- Open a config folder
|
||||
- Navigate to Settings → ConnectionStrings
|
||||
- Add a new SqlServer connection
|
||||
- Fill in fields, verify preview updates
|
||||
- Test connection works
|
||||
- Save config, verify appsettings.json updated
|
||||
Reference in New Issue
Block a user