first commit

backend/models/ChickenCount.js

@@ -0,0 +1,99 @@
+const { query } = require('../database/db');
+
+class ChickenCount {
+    static async upsert(date, kandangId, filename, totalCount) {
+        const result = await query(`
+            INSERT INTO chicken_counting (date, kandang_id, filename, total_count)
+            VALUES ($1, $2, $3, $4)
+            ON CONFLICT (date, kandang_id)
+            DO UPDATE SET
+                filename = EXCLUDED.filename,
+                total_count = EXCLUDED.total_count,
+                updated_at = NOW()
+            RETURNING *
+        `, [date, kandangId, filename, totalCount]);
+
+        // Fetch with kandang name
+        const record = await query(`
+            SELECT cc.*, k.name as kandang_name
+            FROM chicken_counting cc
+            JOIN kandangs k ON cc.kandang_id = k.id
+            WHERE cc.id = $1
+        `, [result.rows[0].id]);
+
+        return this.formatRecord(record.rows[0]);
+    }
+
+    static async insertIfNotExists(date, kandangId, filename, totalCount) {
+        // Check if record already exists
+        const existing = await query(`
+            SELECT cc.*, k.name as kandang_name
+            FROM chicken_counting cc
+            JOIN kandangs k ON cc.kandang_id = k.id
+            WHERE cc.date = $1 AND cc.kandang_id = $2
+        `, [date, kandangId]);
+
+        if (existing.rows.length > 0) {
+            // Record exists, return existing data without updating
+            return {
+                ...this.formatRecord(existing.rows[0]),
+                skipped: true
+            };
+        }
+
+        // Record doesn't exist, insert new
+        const result = await query(`
+            INSERT INTO chicken_counting (date, kandang_id, filename, total_count)
+            VALUES ($1, $2, $3, $4)
+            RETURNING *
+        `, [date, kandangId, filename, totalCount]);
+
+        // Fetch with kandang name
+        const record = await query(`
+            SELECT cc.*, k.name as kandang_name
+            FROM chicken_counting cc
+            JOIN kandangs k ON cc.kandang_id = k.id
+            WHERE cc.id = $1
+        `, [result.rows[0].id]);
+
+        return {
+            ...this.formatRecord(record.rows[0]),
+            skipped: false
+        };
+    }
+
+    static async getByDateRange(startDate, endDate, kandangId) {
+        let sql = `
+            SELECT cc.*, k.name as kandang_name
+            FROM chicken_counting cc
+            JOIN kandangs k ON cc.kandang_id = k.id
+            WHERE cc.date >= $1 AND cc.date <= $2
+        `;
+        const params = [startDate, endDate];
+
+        if (kandangId) {
+            sql += ` AND cc.kandang_id = $3`;
+            params.push(kandangId);
+        }
+
+        sql += ` ORDER BY cc.date ASC`;
+
+        const result = await query(sql, params);
+        return result.rows.map(row => this.formatRecord(row));
+    }
+
+    static formatRecord(record) {
+        return {
+            id: record.id,
+            date: record.date,
+            kandangId: record.kandang_id,
+            kandangName: record.kandang_name,
+            filename: record.filename,
+            totalCount: record.total_count,
+            createdAt: record.created_at,
+            updatedAt: record.updated_at
+        };
+    }
+}
+
+module.exports = ChickenCount;