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# Account Creation Workflow Diagram
## Current Flow Analysis
```mermaid
graph TD
A[User Clicks "Add LinkedIn Account"] --> B[Frontend POST /api/accounts]
B --> C[Backend Initiate OAuth]
C --> D[Redirect to LinkedIn]
D --> E[User Authenticates with LinkedIn]
E --> F[LinkedIn Redirect to /auth/callback]
F --> G[Frontend LinkedInCallbackHandler]
G --> H[Frontend POST /accounts/callback]
H --> I[Backend handle_oauth_callback]
I --> J[Database Insert into Social_network]
J --> K[Return Success Response]
K --> L[Frontend Updates Account List]
L --> M[User Sees Account in UI]
style A fill:#e1f5fe
style M fill:#e8f5e8
style J fill:#ffebee
style K fill:#fff3e0
```
## Problem Identification
Based on the log analysis, the issue is occurring at step **J** - Database Insert into Social_network. The OAuth flow is working correctly (steps A-I complete successfully), but the database insertion is failing silently.
## Detailed Flow Breakdown
### Step 1: Account Initiation
- **Endpoint**: `POST /api/accounts`
- **File**: [`backend/api/accounts.py:69-124`](backend/api/accounts.py:69)
- **Action**: Initiates LinkedIn OAuth flow
- **Status**: ✅ Working (200 response in logs)
### Step 2: OAuth Redirect
- **Action**: Redirects user to LinkedIn for authentication
- **Status**: ✅ Working (successful LinkedIn auth in logs)
### Step 3: Callback Handling
- **Endpoint**: `GET /auth/callback`
- **File**: [`frontend/src/components/LinkedInAccount/LinkedInCallbackHandler.jsx`](frontend/src/components/LinkedInAccount/LinkedInCallbackHandler.jsx)
- **Action**: Processes LinkedIn callback
- **Status**: ✅ Working (successful callback in logs)
### Step 4: Backend Processing
- **Endpoint**: `POST /accounts/callback`
- **File**: [`backend/api/accounts.py:126-207`](backend/api/accounts.py:126)
- **Action**: Processes OAuth code and inserts into database
- **Status**: ❓ Unknown (no logs for this endpoint)
### Step 5: Database Insertion
- **Table**: `Social_network`
- **Action**: Insert account data
- **Status**: ❓ Unknown (no evidence of success/failure)
## Key Issues Identified
### 1. Missing Logging
The OAuth callback handler lacks sufficient logging to track:
- Received parameters
- Database connection status
- Insertion attempts and results
- Error conditions
### 2. Silent Failures
The error handling may be suppressing exceptions and returning 200 even when failures occur.
### 3. Database Verification
No verification that the database insertion was successful before returning a success response.
## Recommended Workflow Enhancements
### Enhanced Logging Flow
```mermaid
graph TD
A[OAuth Callback Received] --> B[Log Received Data]
B --> C[Validate Parameters]
C --> D[Log Validation Results]
D --> E[Exchange Code for Token]
E --> F[Log Token Exchange]
F --> G[Get User Info]
G --> H[Log User Info]
H --> I[Database Insertion]
I --> J[Log Insertion Result]
J --> K{Success?}
K -->|Yes| L[Return Success]
K -->|No| M[Return Error]
M --> N[Log Error Details]
```
### Error Handling Flow
```mermaid
graph TD
A[Error Occurs] --> B[Log Error]
B --> C[Determine Error Type]
C --> D{Database Error?}
D -->|Yes| E[Log Database Details]
D -->|No| F[Log General Error]
E --> G[Return 500 Error]
F --> G
G --> H[Add CORS Headers]
```
## Data Flow Analysis
### OAuth Data Flow
```
LinkedIn → Authorization Code → Backend → Access Token → User Info → Database
```
### Database Schema Requirements
```sql
CREATE TABLE Social_network (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
social_network TEXT NOT NULL,
account_name TEXT NOT NULL,
id_utilisateur TEXT NOT NULL,
token TEXT,
sub TEXT,
given_name TEXT,
family_name TEXT,
picture TEXT,
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
);
-- RLS Policy
CREATE POLICY "Users can manage their own accounts"
ON Social_network
FOR ALL
USING (auth.uid()::text = id_utilisateur);
```
## Next Steps
1. **Add comprehensive logging** to track the complete OAuth flow
2. **Verify database connection** and permissions
3. **Test database insertion** with sample data
4. **Implement proper error handling** with detailed feedback
5. **Create monitoring** for account creation success/failure rates
## Success Metrics
- ✅ OAuth callback receives and processes data correctly
- ✅ Database insertion succeeds consistently
- ✅ Error handling provides clear feedback
- ✅ Accounts appear in user interface immediately
- ✅ Logging provides complete visibility into the process |