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/*
* Index page
*
* Copyright (C) 2024 Runxi Yu <https://runxiyu.org>
* SPDX-License-Identifier: AGPL-3.0-or-later
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package main
import (
"errors"
"fmt"
"log"
"net/http"
"sync/atomic"
)
func handleIndex(w http.ResponseWriter, req *http.Request) {
_, username, department, err := getUserInfoFromRequest(req)
if errors.Is(err, errNoCookie) || errors.Is(err, errNoSuchUser) {
authURL, err2 := generateAuthorizationURL()
if err2 != nil {
wstr(
w,
http.StatusInternalServerError,
"Cannot generate authorization URL",
)
return
}
var noteString string
if errors.Is(err, errNoSuchUser) {
noteString = "Your browser provided an invalid session cookie."
}
err2 = tmpl.ExecuteTemplate(
w,
"login",
struct {
AuthURL string
Notes string
}{
authURL,
noteString,
},
)
if err2 != nil {
log.Println(err2)
}
return
} else if err != nil {
wstr(w, http.StatusInternalServerError, fmt.Sprintf("Error: %v", err))
}
/* TODO: The below should be completed on-update. */
type groupT struct {
Handle string
Name string
Courses *map[int]*courseT
}
_groups := make(map[string]groupT)
for k, v := range courseGroups {
_coursemap := make(map[int]*courseT)
_groups[k] = groupT{
Handle: k,
Name: v,
Courses: &_coursemap,
}
}
courses.Range(func(key, value interface{}) bool {
courseID, ok := key.(int)
if !ok {
panic("courses map has non-\"int\" keys")
}
course, ok := value.(*courseT)
if !ok {
panic("courses map has non-\"*courseT\" items")
}
(*_groups[course.Group].Courses)[courseID] = course
return true
})
if department == staffDepartment {
err := tmpl.ExecuteTemplate(
w,
"staff",
struct {
Name string
State uint32
Groups *map[string]groupT
}{
username,
state,
&_groups,
},
)
if err != nil {
log.Println(err)
}
return
}
if atomic.LoadUint32(&state) == 0 {
err := tmpl.ExecuteTemplate(
w,
"student_disabled",
struct {
Name string
Department string
}{
username,
department,
},
)
if err != nil {
log.Println(err)
}
return
}
sportRequired, err := getCourseTypeMinimumForYearGroup(department, sport)
if err != nil {
wstr(w, http.StatusInternalServerError, "Failed to get sport requirement")
}
nonSportRequired, err := getCourseTypeMinimumForYearGroup(department, nonSport)
if err != nil {
wstr(w, http.StatusInternalServerError, "Failed to get non-sport requirement")
}
err = tmpl.ExecuteTemplate(
w,
"student",
struct {
Name string
Department string
Groups *map[string]groupT
Required struct {
Sport int
NonSport int
}
}{
username,
department,
&_groups,
struct {
Sport int
NonSport int
}{sportRequired, nonSportRequired},
},
)
if err != nil {
log.Println(err)
return
}
}
|
