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{ Hono } from \"https://esm.sh/hono@3.11.7\";\nimport type { CreateCourseRequest, ApiResponse, Course, User } from \"../../shared/types.ts\";\nimport * as db from \"../database/queries.ts\";\nimport { requireAuth, requireInstructor } from \"./auth.ts\";\n\nconst courses = new Hono();\n\n// Get all courses\ncourses.get(\"/\", requireAuth, async (c) => {\n try {\n const user: User = c.get(\"user\");\n let courseList: Course[];\n\n if (user.role === 'instructor') {\n // Instructors see their own courses\n courseList = await db.getCoursesForUser(user.id, user.role);\n } else {\n // Students see all available courses with enrollment status\n const allCourses = await db.getAllCourses();\n courseList = [];\n \n for (const course of allCourses) {\n const enrolled = await db.isUserEnrolled(user.id, course.id);\n courseList.push({ ...course, enrolled });\n }\n }\n\n return c.json>({ success: true, data: courseList });\n } catch (error) {\n console.error(\"Get courses error:\", error);\n return c.json({ success: false, error: \"Failed to get courses\" }, 500);\n }\n});\n\n// Create new course (instructors only)\ncourses.post(\"/\", requireAuth, requireInstructor, async (c) => {\n try {\n const user: User = c.get(\"user\");\n const body: CreateCourseRequest = await c.req.json();\n const { title, description } = body;\n\n if (!title || !description) {\n return c.json({ success: false, error: \"Title and description are required\" }, 400);\n }\n\n const course = await db.createCourse(title, description, user.id);\n return c.json>({ success: true, data: course });\n } catch (error) {\n console.error(\"Create course error:\", error);\n return c.json({ success: false, error: \"Failed to create course\" }, 500);\n }\n});\n\n// Get specific course\ncourses.get(\"/:id\", requireAuth, async (c) => {\n try {\n const user: User = c.get(\"user\");\n const courseId = parseInt(c.req.param(\"id\"));\n\n if (isNaN(courseId)) {\n return c.json({ success: false, error: \"Invalid course ID\" }, 400);\n }\n\n const course = await db.getCourseById(courseId);\n if (!course) {\n return c.json({ success: false, error: \"Course not found\" }, 404);\n }\n\n // Check access permissions\n if (user.role === 'student') {\n const enrolled = await db.isUserEnrolled(user.id, courseId);\n if (!enrolled) {\n return c.json({ success: false, error: \"Not enrolled in this course\" }, 403);\n }\n course.enrolled = true;\n } else if (user.role === 'instructor' && course.instructor_id !== user.id) {\n return c.json({ success: false, error: \"Access denied\" }, 403);\n }\n\n return c.json>({ success: true, data: course });\n } catch (error) {\n console.error(\"Get course error:\", error);\n return c.json({ success: false, error: \"Failed to get course\" }, 500);\n }\n});\n\n// Enroll in course (students only)\ncourses.post(\"/:id/enroll\", requireAuth, async (c) => {\n try {\n const user: User = c.get(\"user\");\n const courseId = parseInt(c.req.param(\"id\"));\n\n if (isNaN(courseId)) {\n return c.json({ success: false, error: \"Invalid course ID\" }, 400);\n }\n\n if (user.role !== 'student') {\n return c.json({ success: false, error: \"Only students can enroll in courses\" }, 403);\n }\n\n // Check if course exists\n const course = await db.getCourseById(courseId);\n if (!course) {\n return c.json({ success: false, error: \"Course not found\" }, 404);\n }\n\n // Check if already enrolled\n const alreadyEnrolled = await db.isUserEnrolled(user.id, courseId);\n if (alreadyEnrolled) {\n return c.json({ success: false, error: \"Already enrolled in this course\" }, 400);\n }\n\n await db.enrollUser(user.id, courseId);\n return c.json({ success: true, data: { message: \"Successfully enrolled\" } });\n } catch (error) {\n console.error(\"Enroll error:\", error);\n return c.json({ success: false, error: \"Failed to enroll\" }, 500);\n }\n});\n\n// Get course enrollments (instructors only)\ncourses.get(\"/:id/students\", requireAuth, requireInstructor, async (c) => {\n try {\n const user: User = c.get(\"user\");\n const courseId = parseInt(c.req.param(\"id\"));\n\n if (isNaN(courseId)) {\n return c.json({ success: false, error: \"Invalid course ID\" }, 400);\n }\n\n // Verify instructor owns this course\n const course = await db.getCourseById(courseId);\n if (!course || course.instructor_id !== user.id) {\n return c.json({ success: false, error: \"Access denied\" }, 403);\n }\n\n const students = await db.getCourseEnrollments(courseId);\n return c.json>({ success: true, data: students });\n } catch (error) {\n console.error(\"Get enrollments error:\", error);\n return c.json({ success: false, error: \"Failed to get enrollments\" }, 500);\n }\n});\n\nexport default courses;","deleted","label",[169,170,151],"backend","routes","permalink","https://www.val.town/x/reubenoguta_Valtown/Reuben/code/backend/routes/courses.ts","extension","actionData","errors"]