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\n \n

\n\n

\n Loading assignments...\n

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\n No assignments found\n

\n\n \n\n\n","\n\n\n Individual Assignments - Projektauswahl\n \n\n\n \n\n

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\n Loading assignments...\n

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\n No assignments found\n

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Projektauswahl

Wähle deine Top 3 Favoriten für jede Zeitspanne

\n\n \n

\n\n \n \n","label",[140],"59cdf628-bfbc-11f0-aada-42dde27851f2","main.ts","59cdf6d2-bfbc-11f0-aada-42dde27851f2",1,["D",1762947612985],"script",[151],"a240cb56-caca-11f0-9ac3-42dde27851f2","assignment.html","a4f2892c-c000-11f0-bd5e-42dde27851f2",78,["D",1764163210269],"\n\n\n \n \n Kid-to-Project Assignment Optimizer\n \n \n \n \n\n\n

\n\n \n\n",[158],"eab995a0-cacc-11f0-930a-42dde27851f2","admin.html","8432a232-c003-11f0-890a-42dde27851f2",82,["D",1764164190854],4,"\n\n\n Admin - Projektauswahl\n \n\n\n

Admin Panel - Projektauswahl

\n\n

Student Responses

View and manage all student responses on a dedicated page with advanced filtering and sorting.

\n View Student Responses →\n

\n\n

Project Assignments

View students grouped by their #1 project choices and assign students to projects.

\n Manage Assignments →\n

\n\n

View Assignments

View saved assignments in different formats for easy review and printing.

\n Individual View →\n By Project →\n

\n\n

Timeslots

Add New Timeslot

\n \n \n \n \n

\n\n

Projects

Add New Project

\n \n \n \n \n \n \n

\n\n \n \n\n \n\n\n",[165],"b927a62c-c003-11f0-a3bd-42dde27851f2","admin-responses.html","842d3608-c003-11f0-9532-42dde27851f2",65,["D",1762978267182],"\n\n\n Student Responses - Projektauswahl\n \n\n\n \n\n

Total Submissions

Unique Students

\n\n \n\n \n\n

\n\n \n\n\n",[173],"4bc0f3a2-cacd-11f0-b162-42dde27851f2","admin-assignments.html","844a41e4-c003-11f0-9532-42dde27851f2",83,["D",1764164353642],"\n\n\n Project Assignments - Projektauswahl\n \n\n\n \n\n

Optimization Settings

\n\n Select Timeslot:\n \n\n \n \n\n \n\n

\n \n \n \n

\n\n

\n 💡 Tip: After optimization, you can drag and drop students between projects to manually adjust assignments.\n

\n\n

Assignment Statistics

Total Score

1st Choice

2nd Choice

3rd Choice

Not Preferred

\n\n

Select a timeslot and click \"Optimize Assignment\" to see results

\n\n \n

\n\n \n\n\n",[180],"98feb6a8-cace-11f0-b05c-42dde27851f2",["D",1764164912730],2,[28],"0b4027b8-cacc-11f0-97bc-42dde27851f2","admin-assignments-by-project.html","23393780-cac0-11f0-8a2a-42dde27851f2",80,["D",1764163815914],"\n\n\n Assignments by Project - Projektauswahl\n \n\n\n \n\n

Select Timeslot

\n \n

\n\n

Assignments by Project

\n\n \n\n

\n\n

Select a timeslot to view assignments

\n\n \n\n\n",[191],"7bdeaf2a-bfc4-11f0-afca-42dde27851f2","README.md","8af0b694-bfbe-11f0-a116-42dde27851f2",50,["D",1762951106108],9,"# Projektauswahl System\n\nA dynamic project selection system where students can rank their preferences for different time slots with a comprehensive admin interface for management.\n\n## Features\n\n- **Dynamic Data Management**: Timeslots and projects are stored in SQLite database\n- **Student Interface**: Drag-and-drop interface for ranking project preferences\n- **Advanced Admin Panel**: Web-based interface with inline editing capabilities\n- **Data Export**: CSV export of student responses\n- **Responsive Design**: Works on desktop and mobile devices\n\n## Structure\n\n```\n├── backend/\n│ └── index.ts # Main backend with API routes and admin panel\n├── schueler.html # Student-facing form (dynamically loads data)\n└── README.md # This file\n```\n\n## Usage\n\n### Student Interface\n- Visit the main page to fill out project preferences\n- Enter your name and drag projects to rank them for each timeslot\n- Submit to save responses to database\n\n### Admin Interface\n- Visit `/admin` to manage the system\n- **Inline Editing**: Click \"Edit\" on any timeslot or project to modify it directly in the table\n - Edit timeslot titles, descriptions, and order\n - Edit project names, descriptions, and reassign to different timeslots\n - Visual feedback with highlighted rows during editing\n - Save/Cancel options for each edit operation\n- **Bulk Operations**: Add new timeslots and projects using the forms\n- **Status Management**: Activate/deactivate timeslots and projects\n- **Data Management**: View all student responses and export as CSV\n- **Safe Deletion**: Delete items with confirmation dialogs\n\n## API Endpoints\n\n### Public Endpoints\n- `GET /` - Student form\n- `GET /api/timeslots` - Get all active timeslots with projects\n- `POST /api/responses` - Submit student responses\n\n### Admin Endpoints\n- `GET /admin` - Admin panel interface with inline editing\n- `GET /admin/responses` - View student responses grouped by student\n- `GET /api/debug/data` - View all database data\n- `GET /api/debug/reset` - Reset database (development only)\n- `POST /api/admin/timeslots` - Add new timeslot\n- `POST /api/admin/projects` - Add new project\n- `POST /api/admin/projects/:id/copy` - Copy project to different timeslot\n- `PUT /api/admin/timeslots/:id` - Update timeslot (supports full updates and status toggle)\n- `PUT /api/admin/projects/:id` - Update project (supports full updates and status toggle)\n- `DELETE /api/admin/timeslots/:id` - Delete timeslot (cascades to projects and responses)\n- `DELETE /api/admin/projects/:id` - Delete project\n- `DELETE /api/admin/responses/student/:studentName` - Delete all responses for a specific student\n- `GET /api/admin/export-csv` - Export responses as CSV\n\n## Database Schema\n\n### Timeslots Table\n- `id` - Primary key\n- `title` - Display title (e.g., \"1. Dienstag 9:00-10:30 Uhr\")\n- `time_description` - Time description\n- `order_index` - Display order\n- `active` - Whether timeslot is active\n- `created_at` - Creation timestamp\n\n### Projects Table\n- `id` - Primary key\n- `timeslot_id` - Foreign key to timeslots\n- `project_name` - Project name\n- `project_description` - Optional description\n- `max_participants` - Maximum number of participants (optional)\n- `active` - Whether project is active\n- `created_at` - Creation timestamp\n\n### Responses Table\n- `id` - Primary key\n- `student_name` - Student's name\n- `timeslot_id` - Foreign key to timeslots\n- `first_choice` - First preference\n- `second_choice` - Second preference\n- `third_choice` - Third preference\n- `submitted_at` - Submission timestamp\n\n## Admin Panel Features\n\n### Inline Editing\n- **Timeslots**: Edit title, description, and order index directly in the table\n- **Projects**: Edit name, description, max participants, and reassign to different timeslots\n- **Visual Feedback**: Rows highlight in yellow during edit mode\n- **State Management**: Only one item can be edited at a time\n- **Validation**: Form validation before saving changes\n\n### User Interface\n- **Color-coded Buttons**:\n - 🔵 Edit (Blue) - Start inline editing\n - 🟢 Save (Green) - Confirm changes\n - ⚫ Cancel (Gray) - Discard changes\n - 🔵 Copy (Cyan) - Copy project to another timeslot\n - 🟡 Toggle (Yellow) - Activate/Deactivate\n - 🔴 Delete (Red) - Remove item\n- **Responsive Tables**: Optimized for both desktop and mobile viewing\n- **Real-time Updates**: Changes reflect immediately after saving\n\n### Data Management\n- **Student Response Grouping**: View all responses grouped by student at `/admin/responses`\n- **Student Response Deletion**: Delete all responses for a specific student with one click\n- **Export Functionality**: Download all student responses as CSV\n- **Copy Projects**: Easily duplicate projects across different timeslots\n- **Bulk Operations**: Add multiple items using the forms\n- **Safe Deletion**: Confirmation dialogs prevent accidental deletions\n- **Cascade Operations**: Deleting timeslots removes associated projects and responses\n\n## Default Data\n\nThe system initializes with:\n- 3 timeslots (Tuesday morning sessions)\n- 8 projects (Projekt A through H) for each timeslot\n\n## Customization\n\nYou can customize the system by:\n1. **Using the Admin Panel**: \n - Inline edit existing timeslots and projects\n - Add new timeslots and projects via forms\n - Activate/deactivate items as needed\n2. **Styling Changes**: Modify the CSS in `schueler.html` for student interface styling\n3. **Database Schema**: Update the schema in `backend/index.ts` for additional fields\n4. **Admin Interface**: Customize the admin panel styling and functionality\n\n## Development\n\n### Database Reset\nTo reset the database during development:\n```\nGET /api/debug/reset\n```\nThis will drop all tables and recreate them with default data.\n\n### Debugging\n- Use `/api/debug/data` to view all database contents\n- Check browser console for client-side errors\n- Server logs show database operations and API calls\n\n## Security Notes\n\n- No authentication is currently implemented on admin endpoints\n- Consider adding authentication for production use\n- All admin functions are accessible via `/admin` URL\n- Database operations include proper error handling and 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{ Hono } from \"https://esm.sh/hono@3.11.7\";\nimport { sqlite } from \"https://esm.town/v/stevekrouse/sqlite/main.tsx\";\nimport { readFile } from \"https://esm.town/v/std/utils/index.ts\";\n\nconst app = new Hono();\n\n// Unwrap Hono errors to see original error details\napp.onError((err) => Promise.reject(err));\n\n// Database setup\nconst TIMESLOTS_TABLE = 'project_timeslots';\nconst PROJECTS_TABLE = 'project_options';\nconst RESPONSES_TABLE = 'student_responses';\nconst ASSIGNMENTS_TABLE = 'project_assignments';\n\n// Initialize database tables\nasync function initDatabase() {\n // Create timeslots table\n await sqlite.execute(`CREATE TABLE IF NOT EXISTS ${TIMESLOTS_TABLE} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n title TEXT NOT NULL,\n time_description TEXT NOT NULL,\n order_index INTEGER NOT NULL,\n active BOOLEAN DEFAULT 1,\n created_at DATETIME DEFAULT CURRENT_TIMESTAMP\n )`);\n\n // Create projects table\n await sqlite.execute(`CREATE TABLE IF NOT EXISTS ${PROJECTS_TABLE} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n timeslot_id INTEGER,\n project_name TEXT NOT NULL,\n project_description TEXT,\n offered_by TEXT,\n max_participants INTEGER DEFAULT NULL,\n active BOOLEAN DEFAULT 1,\n created_at DATETIME DEFAULT CURRENT_TIMESTAMP,\n FOREIGN KEY (timeslot_id) REFERENCES ${TIMESLOTS_TABLE} (id)\n )`);\n\n // Create responses table\n await sqlite.execute(`CREATE TABLE IF NOT EXISTS ${RESPONSES_TABLE} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n submission_id TEXT NOT NULL,\n student_name TEXT NOT NULL,\n timeslot_id INTEGER,\n first_choice TEXT,\n second_choice TEXT,\n third_choice TEXT,\n submitted_at DATETIME DEFAULT CURRENT_TIMESTAMP,\n FOREIGN KEY (timeslot_id) REFERENCES ${TIMESLOTS_TABLE} (id)\n )`);\n\n // Create assignments table\n await sqlite.execute(`CREATE TABLE IF NOT EXISTS ${ASSIGNMENTS_TABLE} (\n id INTEGER PRIMARY KEY AUTOINCREMENT,\n timeslot_id INTEGER NOT NULL,\n student_name TEXT NOT NULL,\n project_name TEXT NOT NULL,\n preference_rank INTEGER,\n created_at DATETIME DEFAULT CURRENT_TIMESTAMP,\n updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,\n FOREIGN KEY (timeslot_id) REFERENCES ${TIMESLOTS_TABLE} (id),\n UNIQUE(timeslot_id, student_name)\n )`);\n\n // Check if offered_by column exists, if not add it (migration)\n try {\n const { rows: columns } = await sqlite.execute(`PRAGMA table_info(${PROJECTS_TABLE})`);\n const hasOfferedBy = columns.some(col => col.name === 'offered_by');\n\n if (!hasOfferedBy) {\n console.log('Adding offered_by column to projects table...');\n await sqlite.execute(`ALTER TABLE ${PROJECTS_TABLE} ADD COLUMN offered_by TEXT`);\n console.log('offered_by column added successfully');\n }\n } catch (error) {\n console.error('Error checking/adding offered_by column:', error);\n }\n\n // Insert default data if tables are empty\n const { rows: timeslotCount } = await sqlite.execute(`SELECT COUNT(*) as count FROM ${TIMESLOTS_TABLE}`);\n if (timeslotCount[0].count === 0) {\n await insertDefaultData();\n }\n}\n\nasync function insertDefaultData() {\n // Insert default timeslots\n const timeslots = [\n { title: \"1. Dienstag 9:00-10:30 Uhr\", time_description: \"Dienstag 9:00-10:30 Uhr\", order_index: 1 },\n { title: \"2. Dienstag 10:45-12:15 Uhr\", time_description: \"Dienstag 10:45-12:15 Uhr\", order_index: 2 },\n { title: \"3. Dienstag 12:45-13:30 Uhr\", time_description: \"Dienstag 12:45-13:30 Uhr\", order_index: 3 }\n ];\n\n for (const timeslot of timeslots) {\n await sqlite.execute(\n `INSERT INTO ${TIMESLOTS_TABLE} (title, time_description, order_index) VALUES (?, ?, ?)`,\n [timeslot.title, timeslot.time_description, timeslot.order_index]\n );\n \n // Get the timeslot ID by querying back\n const { rows: insertedTimeslot } = await sqlite.execute(\n `SELECT id FROM ${TIMESLOTS_TABLE} WHERE title = ? AND order_index = ?`,\n [timeslot.title, timeslot.order_index]\n );\n \n const timeslotId = insertedTimeslot[0].id;\n console.log(`Inserted timeslot with ID: ${timeslotId}`);\n \n // Insert default projects for each timeslot\n const projects = ['Projekt A', 'Projekt B', 'Projekt C', 'Projekt D', 'Projekt E', 'Projekt F', 'Projekt G', 'Projekt H'];\n \n for (const projectName of projects) {\n await sqlite.execute(\n `INSERT INTO ${PROJECTS_TABLE} (timeslot_id, project_name) VALUES (?, ?)`,\n [timeslotId, projectName]\n );\n console.log(`Inserted project ${projectName} for timeslot ${timeslotId}`);\n }\n }\n}\n\n// API Routes\napp.get('/api/debug/reset', async (c) => {\n // Drop and recreate tables\n await sqlite.execute(`DROP TABLE IF EXISTS ${RESPONSES_TABLE}`);\n await sqlite.execute(`DROP TABLE IF EXISTS ${PROJECTS_TABLE}`);\n await sqlite.execute(`DROP TABLE IF EXISTS ${TIMESLOTS_TABLE}`);\n \n await initDatabase();\n return c.json({ message: 'Database reset complete' });\n});\n\napp.get('/api/debug/data', async (c) => {\n const { rows: timeslots } = await sqlite.execute(`SELECT * FROM ${TIMESLOTS_TABLE}`);\n const { rows: projects } = await sqlite.execute(`SELECT * FROM ${PROJECTS_TABLE}`);\n const { rows: responses } = await sqlite.execute(`SELECT * FROM ${RESPONSES_TABLE}`);\n \n return c.json({ timeslots, projects, responses });\n});\n\napp.get('/api/timeslots', async (c) => {\n const { rows: timeslots } = await sqlite.execute(\n `SELECT * FROM ${TIMESLOTS_TABLE} WHERE active = 1 ORDER BY order_index`\n );\n\n const timelotData = [];\n \n for (const timeslot of timeslots) {\n const { rows: projects } = await sqlite.execute(\n `SELECT * FROM ${PROJECTS_TABLE} WHERE timeslot_id = ? AND active = 1`,\n [timeslot.id]\n );\n \n timelotData.push({\n id: timeslot.id,\n title: timeslot.title,\n timeDescription: timeslot.time_description,\n orderIndex: timeslot.order_index,\n projects: projects.map(p => ({\n id: p.id,\n name: p.project_name,\n description: p.project_description,\n offeredBy: p.offered_by,\n maxParticipants: p.max_participants\n }))\n });\n }\n\n return c.json(timelotData);\n});\n\napp.post('/api/responses', async (c) => {\n const data = await c.req.json();\n\n // Validate required fields\n if (!data.name || !data.responses || !Array.isArray(data.responses)) {\n return c.json({ error: 'Invalid data format' }, 400);\n }\n\n // Generate submission ID if not provided\n const submissionId = data.submissionId || crypto.randomUUID();\n\n try {\n // Insert each response\n for (const response of data.responses) {\n if (response.rankings && response.rankings.length >= 3) {\n // Find timeslot ID by title\n const { rows: timeslots } = await sqlite.execute(\n `SELECT id FROM ${TIMESLOTS_TABLE} WHERE title = ?`,\n [response.question]\n );\n\n if (timeslots.length > 0) {\n await sqlite.execute(\n `INSERT INTO ${RESPONSES_TABLE} (submission_id, student_name, timeslot_id, first_choice, second_choice, third_choice)\n VALUES (?, ?, ?, ?, ?, ?)`,\n [\n submissionId,\n data.name,\n timeslots[0].id,\n response.rankings[0] || null,\n response.rankings[1] || null,\n response.rankings[2] || null\n ]\n );\n }\n }\n }\n\n return c.json({ success: true, message: 'Responses saved successfully', submissionId });\n } catch (error) {\n console.error('Error saving responses:', error);\n return c.json({ error: 'Failed to save responses' }, 500);\n }\n});\n\n// Copy project API endpoint\napp.post('/api/admin/projects/:id/copy', async (c) => {\n const sourceId = c.req.param('id');\n const data = await c.req.json();\n \n try {\n // Get the source project\n const { rows: sourceProjects } = await sqlite.execute(\n `SELECT * FROM ${PROJECTS_TABLE} WHERE id = ?`,\n [sourceId]\n );\n \n if (sourceProjects.length === 0) {\n return c.json({ error: 'Source project not found' }, 404);\n }\n \n const sourceProject = sourceProjects[0];\n \n // Insert the copied project\n await sqlite.execute(\n `INSERT INTO ${PROJECTS_TABLE} (timeslot_id, project_name, project_description, offered_by, max_participants) VALUES (?, ?, ?, ?, ?)`,\n [data.target_timeslot_id, sourceProject.project_name, sourceProject.project_description, sourceProject.offered_by, sourceProject.max_participants]\n );\n \n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\n// Admin routes for managing timeslots and projects\napp.get('/admin', async (c) => {\n const adminHtml = await readFile(\"/admin.html\", import.meta.url);\n return c.html(adminHtml);\n});\n\n// Admin responses page - separate page for viewing student responses\napp.get('/admin/responses', async (c) => {\n const responsesHtml = await readFile(\"/admin-responses.html\", import.meta.url);\n return c.html(responsesHtml);\n});\n\n// Admin assignments page - for assigning students to projects\napp.get('/admin/assignments', async (c) => {\n const assignmentsHtml = await readFile(\"/admin-assignments.html\", import.meta.url);\n return c.html(assignmentsHtml);\n});\n\n// Admin assignments individual view\napp.get('/admin/assignments/individual', async (c) => {\n const individualHtml = await readFile(\"/admin-assignments-individual.html\", import.meta.url);\n return c.html(individualHtml);\n});\n\n// Admin assignments by project view\napp.get('/admin/assignments/by-project', async (c) => {\n const byProjectHtml = await readFile(\"/admin-assignments-by-project.html\", import.meta.url);\n return c.html(byProjectHtml);\n});\n\n// Admin API routes\napp.post('/api/admin/timeslots', async (c) => {\n const data = await c.req.json();\n\n try {\n await sqlite.execute(\n `INSERT INTO ${TIMESLOTS_TABLE} (title, time_description, order_index) VALUES (?, ?, ?)`,\n [data.title, data.time_description, data.order_index]\n );\n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.post('/api/admin/projects', async (c) => {\n const data = await c.req.json();\n\n try {\n await sqlite.execute(\n `INSERT INTO ${PROJECTS_TABLE} (timeslot_id, project_name, project_description, offered_by, max_participants) VALUES (?, ?, ?, ?, ?)`,\n [data.timeslot_id, data.project_name, data.project_description, data.offered_by, data.max_participants]\n );\n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.put('/api/admin/timeslots/:id', async (c) => {\n const id = c.req.param('id');\n const data = await c.req.json();\n\n try {\n if (data.updateAll) {\n // Update all fields\n await sqlite.execute(\n `UPDATE ${TIMESLOTS_TABLE} SET title = ?, time_description = ?, order_index = ? WHERE id = ?`,\n [data.title, data.time_description, data.order_index, id]\n );\n } else {\n // Update only active status (existing functionality)\n await sqlite.execute(\n `UPDATE ${TIMESLOTS_TABLE} SET active = ? WHERE id = ?`,\n [data.active ? 1 : 0, id]\n );\n }\n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.put('/api/admin/projects/:id', async (c) => {\n const id = c.req.param('id');\n const data = await c.req.json();\n\n try {\n if (data.updateAll) {\n // Update all fields\n await sqlite.execute(\n `UPDATE ${PROJECTS_TABLE} SET timeslot_id = ?, project_name = ?, project_description = ?, offered_by = ?, max_participants = ? WHERE id = ?`,\n [data.timeslot_id, data.project_name, data.project_description, data.offered_by, data.max_participants, id]\n );\n } else {\n // Update only active status (existing functionality)\n await sqlite.execute(\n `UPDATE ${PROJECTS_TABLE} SET active = ? WHERE id = ?`,\n [data.active ? 1 : 0, id]\n );\n }\n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.delete('/api/admin/timeslots/:id', async (c) => {\n const id = c.req.param('id');\n\n try {\n // Delete associated responses and projects first\n await sqlite.execute(`DELETE FROM ${RESPONSES_TABLE} WHERE timeslot_id = ?`, [id]);\n await sqlite.execute(`DELETE FROM ${PROJECTS_TABLE} WHERE timeslot_id = ?`, [id]);\n await sqlite.execute(`DELETE FROM ${TIMESLOTS_TABLE} WHERE id = ?`, [id]);\n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.delete('/api/admin/responses/student/:studentName', async (c) => {\n const studentName = decodeURIComponent(c.req.param('studentName'));\n\n try {\n // Delete all responses for this student\n await sqlite.execute(`DELETE FROM ${RESPONSES_TABLE} WHERE student_name = ?`, [studentName]);\n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.delete('/api/admin/responses/submission/:submissionId', async (c) => {\n const submissionId = decodeURIComponent(c.req.param('submissionId'));\n\n try {\n // Delete all responses for this submission\n await sqlite.execute(`DELETE FROM ${RESPONSES_TABLE} WHERE submission_id = ?`, [submissionId]);\n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.delete('/api/admin/projects/:id', async (c) => {\n const id = c.req.param('id');\n\n try {\n await sqlite.execute(`DELETE FROM ${PROJECTS_TABLE} WHERE id = ?`, [id]);\n return c.json({ success: true });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\n// API endpoints for assignments\napp.post('/api/admin/assignments/:timeslotId/save', async (c) => {\n const timeslotId = parseInt(c.req.param('timeslotId'));\n const { assignments } = await c.req.json();\n\n try {\n // Delete existing assignments for this timeslot\n await sqlite.execute(\n `DELETE FROM ${ASSIGNMENTS_TABLE} WHERE timeslot_id = ?`,\n [timeslotId]\n );\n\n // Insert new assignments\n for (const assignment of assignments) {\n await sqlite.execute(\n `INSERT INTO ${ASSIGNMENTS_TABLE} (timeslot_id, student_name, project_name, preference_rank)\n VALUES (?, ?, ?, ?)`,\n [timeslotId, assignment.studentName, assignment.projectName, assignment.preferenceRank]\n );\n }\n\n return c.json({ success: true, message: 'Assignments saved successfully' });\n } catch (error) {\n console.error('Error saving assignments:', error);\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.get('/api/admin/assignments/:timeslotId/load', async (c) => {\n const timeslotId = parseInt(c.req.param('timeslotId'));\n\n try {\n const { rows: assignments } = await sqlite.execute(\n `SELECT student_name, project_name, preference_rank, updated_at\n FROM ${ASSIGNMENTS_TABLE}\n WHERE timeslot_id = ?`,\n [timeslotId]\n );\n\n return c.json({\n success: true,\n assignments: assignments.map(a => ({\n studentName: a.student_name,\n projectName: a.project_name,\n preferenceRank: a.preference_rank,\n updatedAt: a.updated_at\n }))\n });\n } catch (error) {\n console.error('Error loading assignments:', error);\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.delete('/api/admin/assignments/:timeslotId', async (c) => {\n const timeslotId = parseInt(c.req.param('timeslotId'));\n\n try {\n await sqlite.execute(\n `DELETE FROM ${ASSIGNMENTS_TABLE} WHERE timeslot_id = ?`,\n [timeslotId]\n );\n\n return c.json({ success: true, message: 'Assignments deleted successfully' });\n } catch (error) {\n console.error('Error deleting assignments:', error);\n return c.json({ error: error.message }, 500);\n }\n});\n\napp.get('/api/admin/export-csv', async (c) => {\n try {\n const { rows: responses } = await sqlite.execute(`\n SELECT r.*, t.title as timeslot_title\n FROM ${RESPONSES_TABLE} r\n LEFT JOIN ${TIMESLOTS_TABLE} t ON r.timeslot_id = t.id\n ORDER BY r.submitted_at DESC, r.submission_id\n `);\n\n // Helper function to escape CSV values according to RFC 4180\n function escapeCsvValue(value) {\n if (value == null || value === '') return '';\n\n const stringValue = String(value);\n\n // Prevent CSV injection by prefixing dangerous characters with a single quote\n if (/^[=+\\-@]/.test(stringValue)) {\n return `\"'${stringValue.replace(/\"/g, '\"\"')}\"`;\n }\n\n // If value contains quotes, commas, or newlines, it must be quoted and quotes must be doubled\n if (stringValue.includes('\"')) {\n return `\"${stringValue.replace(/\"/g, '\"\"')}\"`;\n }\n\n if (stringValue.includes(',') || stringValue.includes('\\n') || stringValue.includes('\\r')) {\n return `\"${stringValue}\"`;\n }\n\n return stringValue;\n }\n\n let csv = 'Submission ID,Student Name,Timeslot,First Choice,Second Choice,Third Choice,Submitted At\\n';\n\n responses.forEach(r => {\n const row = [\n r.submission_id || '',\n r.student_name,\n r.timeslot_title || '',\n r.first_choice || '',\n r.second_choice || '',\n r.third_choice || '',\n r.submitted_at\n ].map(escapeCsvValue).join(',');\n\n csv += row + '\\n';\n });\n\n return new Response(csv, {\n headers: {\n 'Content-Type': 'text/csv',\n 'Content-Disposition': 'attachment; filename=\"project_responses.csv\"'\n }\n });\n } catch (error) {\n return c.json({ error: error.message }, 500);\n }\n});\n\n// Serve the main HTML file\napp.get('/', async (c) => {\n let html = await readFile(\"/schueler.html\", import.meta.url);\n\n // Inject the API endpoint for dynamic loading\n const scriptInjection = `\n \n `;\n\n html = html.replace('', `${scriptInjection}`);\n return c.html(html);\n});\n\n// Initialize database on startup\nawait initDatabase();\n\nexport default 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Individual Assignments - All Timeslots

Individual Assignments - All Timeslots

Projektauswahl

Admin Panel - Projektauswahl

Student Responses

Project Assignments

View Assignments

Timeslots

Add New Timeslot

Projects

Add New Project

Student Responses

Project Assignments

Optimization Settings

Assignment Statistics

Assignments by Project

Select Timeslot

Diff · v84