First commit

app/Models/ChatLog.php

@@ -0,0 +1,73 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasOne;
+use Illuminate\Database\Eloquent\Builder;
+
+class ChatLog extends Model
+{
+    protected $fillable = [
+        'chat_session_id',
+        'user_id',
+        'category_id',
+        'question',
+        'answer',
+        'sources_used',
+        'context_chunks',
+        'model_used',
+        'tokens_used',
+        'response_time',
+        'has_answer',
+        'is_flagged',
+    ];
+
+    protected $casts = [
+        'sources_used'   => 'array',
+        'context_chunks' => 'array',
+        'has_answer'     => 'boolean',
+        'is_flagged'     => 'boolean',
+        'response_time'  => 'float',
+    ];
+
+    // === Relationships ===
+
+    public function session(): BelongsTo
+    {
+        return $this->belongsTo(ChatSession::class, 'chat_session_id');
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(Category::class);
+    }
+
+    public function feedback(): HasOne
+    {
+        return $this->hasOne(ChatFeedback::class);
+    }
+
+    // === Scopes ===
+
+    public function scopeFlagged(Builder $query): Builder
+    {
+        return $query->where('is_flagged', true);
+    }
+
+    public function scopeNoAnswer(Builder $query): Builder
+    {
+        return $query->where('has_answer', false);
+    }
+
+    public function scopeWithoutFeedback(Builder $query): Builder
+    {
+        return $query->whereDoesntHave('feedback');
+    }
+}