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* Implement course selection started/stopped statesRunxi Yu7 days10-21/+135
| | | | Implements: https://todo.sr.ht/~runxiyu/cca/13
* staff.html: Add search functionalityRunxi Yu8 days1-0/+11
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* state.go: Cancel connections when setting state 0Runxi Yu8 days1-8/+16
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* newcourses.go: setupCourses must be run after commitRunxi Yu8 days1-10/+11
| | | | Otherwise it reads an old snapshot of the database...
* wsc.go: Check newCtx.Done() when entering other event casesRunxi Yu8 days1-12/+25
| | | | | | | | | | We select the context done channel when entering other cases too (see below) because we need to make sure the context cancel works even if both the cancel signal and another event arrive while processing a select cycle. It's a bit verbose and looks repetitive but is technically more correct than code without it.
* wsh.go: Remove old TODO about limiting connections per userRunxi Yu8 days1-7/+0
| | | | This has been implemented quite a while ago.
* wsh.go: Remove TODO about checking pgErrRunxi Yu8 days1-1/+0
| | | | | | | If the UUIDs actually collide, we're doomed anyway. Okay... this isn't the best way to write software that must be ultra-reliable, but this doesn't need to be ultra-reliable.
* export.go: Remove unnecessary TODORunxi Yu8 days1-1/+1
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* auth.go: Remove access token expiration fields and related TODORunxi Yu8 days1-14/+5
| | | | | We're only using the token immediately after it is issued, so it's a bit unnecessary.
* auth.go: Remove TODO about implementing nonce checksRunxi Yu8 days1-7/+0
| | | | It's the OAuth provider that's responsible for checking this nonce.
* auth.go: Remove TODO about using ON CONFLICTRunxi Yu8 days1-7/+0
| | | | | | I think using the pgErr method actually makes the logic easier to follow especially since I'm not updating the "confirmed" field when UPDATEing but it's being initialized to false during INSERT.
* Replace tcourse.sql with an example importable CSVRunxi Yu8 days3-14/+15
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* Validate course group and course type when importing from CSVRunxi Yu8 days1-0/+24
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* Allow staff to upload a CSV containing coursesRunxi Yu8 days6-39/+432
| | | | Implements: https://todo.sr.ht/~runxiyu/cca/2
* export.go: Remove unnecessary fields from user queryRunxi Yu8 days1-3/+3
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* style.css: Fix file selector buttonsRunxi Yu8 days1-1/+7
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* {wsp,wsx}.go: Move comment about RFC1459-like message formatRunxi Yu8 days2-23/+23
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* auth.go, schema.sql: Add "confirmed" field to usersRunxi Yu8 days2-2/+3
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* index.go, student_disabled.html: Repsect state = 0Runxi Yu8 days3-17/+98
| | | | References: https://todo.sr.ht/~runxiyu/cca/13
* *.go, schema.sql, staff.html: Implement state settingRunxi Yu8 days7-3/+187
| | | | References: https://todo.sr.ht/~runxiyu/cca/13
* *.go, tmpl/staff.html: Allow staff to export choicesRunxi Yu8 days6-2/+250
| | | | Implements: https://todo.sr.ht/~runxiyu/cca/3
* staff.html: Update from students.html and only display link to /exportRunxi Yu8 days1-112/+5
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* docs/fields.txt: RemoveRunxi Yu8 days1-27/+0
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* {courses,wsc}.go: Atomic 64-bit alignmentRunxi Yu8 days2-4/+7
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* wsc.go: Use sync.Map for cancelPool to reduce lock contentionRunxi Yu9 days1-21/+10
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* student.html: Use separate columns for Selected and MaxRunxi Yu9 days1-2/+9
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* eslint.sh: Call eslint directly rather than through npxRunxi Yu9 days1-1/+1
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* *.go: Update commentsRunxi Yu9 days8-30/+17
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* bench.go: Update number of coursesRunxi Yu9 days1-1/+1
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* student.js: Don't N then Y the same course on selectv0.1.8Runxi Yu9 days1-1/+1
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* student.{html,js}: Deselect courses in the same group when selectingRunxi Yu9 days2-5/+7
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* student.html: Slightly better looks around tickboxRunxi Yu9 days1-8/+10
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* tcourse.sql: Add more example CCAsRunxi Yu9 days1-5/+13
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* {courses,index}.go, student.html, style.css: Group by course groupRunxi Yu9 days4-20/+34
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* student.html: Simplify JSRunxi Yu9 days1-2/+1
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* index.go, {login,student}.html: Use structs rather than maps for tmplRunxi Yu9 days3-22/+28
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* *.go: Use sync.Map instead of map[int]*courseT for coursesRunxi Yu9 days6-73/+115
| | | | I'm not sure whether this is actually better than locking.
* {courses,wsc,wsp}.go: Usems should be sync.MapRunxi Yu9 days3-19/+12
| | | | | This is a classic few-reads, many-writes situation where a sync.Map would lead to substantially less lock contention.
* {courses,wsc,wsm}.go: map[courseGroupT](bool->struct{})Runxi Yu9 days3-8/+8
| | | | | This makes it use slightly less memory. Approximately courseGroupT bits per connection!
* style.css: Work around Firefox bug 217769Runxi Yu10 days1-0/+8
| | | | | | | Firefox eats the left, bottom, and right borders when tbody is empty. This is a bug known for 21 years (that was Firefox 37 or something). References: https://bugzilla.mozilla.org/show_bug.cgi?id=217769
* *.go: Further wrap errorsRunxi Yu10 days6-24/+52
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* err.go: Create, and unify some error definitionsRunxi Yu10 days5-38/+55
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* Revert "latexify-source.sh: \subsection{\texttt{%s}}"Runxi Yu11 days1-11/+11
| | | | This reverts commit a9916b3a7df327836f18011edcbf8cc218260f89.
* student.js: Use "let" rather than "var"v0.1.7Runxi Yu11 days1-2/+2
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* latexify-source.sh: Don't set -xRunxi Yu11 days1-1/+1
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* cca.scfg.example: usem_delay_shift_bits should default to 5Runxi Yu11 days1-1/+1
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* Reapply "{config,wsc}.go, cca.scfg.example: Dynamic course update delay"Runxi Yu11 days3-17/+34
| | | | This reverts commit 831040c3d7dbc116a25848786bc5ab83fef6149b.
* Revert "{config,wsc}.go, cca.scfg.example: Dynamic course update delay"Runxi Yu11 days3-34/+17
| | | | This reverts commit de3f0b9e7003e4521f5ea866134e77ff859ab99b.
* {courses,wsm,wsp}.go: Make course.Selected atomicRunxi Yu11 days3-12/+15
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* wsc.go: Fix race condition with usemCount atomicsRunxi Yu11 days1-1/+6
| | | | Atomics must be read atomically via atomic.LoadT