Files
offlineu/README.md
T
rmsitzandClaude Sonnet 5 722b381913 Add 42 curated themes from Figma's website color schemes
Sourced from Figma's "53 Unique Website Color Schemes" resource page,
which only shows rendered mockup screenshots (no raw hex data) - extracted
dominant colors via canvas pixel sampling, then a small pipeline
(tools/generate_website_scheme_themes.py) maps each scheme's real colors
into this app's palette shape, with contrast enforced against both the
background and the white text every .btn uses.

Cut 11 of the original 53 after review: 2 for a neon-bright accent (the
saturation cap only bounded lightness at first, so ~28 of 53 accents
landed at pure 100% saturation - fixed at the pipeline level, calibrated
against what the existing hand-picked themes actually use), and 9 for
being near-duplicates of another kept scheme once mapped into actual UI
colors (measured by real color distance, not eyeballed) - including one
pixel-identical pair and a 4-way cluster trimmed to its two most distinct
members.

Settings dropdown is grouped into <optgroup>s (Base, Editor Themes, and
5 categories matching the source page's own curation) rather than one
flat 54-option list.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-08-24 08:08:56 -04:00

209 lines
8.7 KiB
Markdown

# OfflineU
Self-hosted course viewer for a local video/audio/text training library. Runs
as a single Flask app in Docker, tracks watch progress and notes per lesson,
and gives the whole library a dashboard-style home page instead of a bare
file browser.
This is a personal deployment, not a public project — this doc is internal
reference for running/maintaining it, not a pitch.
![Lesson view](images/lesson-0-8-2025-08-04-04_58_17.png)
*Screenshot predates the current theming/icon work — kept for a rough idea
of layout, not pixel-accurate.*
---
## Deployment
Deployed via `docker-compose.yml`, built directly from the `Dockerfile` in
this repo (`pull_policy: build`, not a registry pull):
```yaml
services:
offlineu:
build: .
pull_policy: build
container_name: offlineu
network_mode: host
ports:
- "5000:5000"
environment:
- PUID=1000
- PGID=10
- TZ=America/New_York
- FLASK_ENV=production
volumes:
- /volume1/files/training:/app/courses # course library
- /volume2/docker/offlineu/data:/app/data # settings/progress/notes
restart: unless-stopped
```
**Auto-deploy:** the Gitea repo has a webhook to Dockhand — a push to `main`
triggers a full image **rebuild** from the Dockerfile (confirmed, not just a
container restart), so Dockerfile changes (e.g. adding `ffmpeg`) take effect
on the very next push without any manual step.
---
## Local development
```bash
pip install -r requirements.txt
python offlineu_core.py --library-path /path/to/courses --debug
```
Opens on `http://127.0.0.1:5000`. `ffprobe` (from ffmpeg) needs to be on
`PATH` for video-duration lookups to work locally; without it those just
silently stay blank instead of erroring.
### CLI options
| Option | Description |
| ---------------------- | ----------------------------------------------------- |
| `--host` | Bind host (default `0.0.0.0`) |
| `--port` | Bind port (default `5000`) |
| `--debug` | Enable Flask debug mode |
| `--create-templates` | Regenerate default templates if missing |
| `--library-path` | Course library root (overrides `COURSES_LIBRARY_PATH`) |
| `course_path` (positional) | Load a specific course directly at startup |
### Environment variables
| Variable | Default | Purpose |
| ---------------------- | -------------- | ------------------------------------------ |
| `COURSES_LIBRARY_PATH` | `/app/courses` | Course library root |
| `OFFLINEU_DATA_DIR` | `/app/data` | Where settings/progress/notes data lives |
| `AUTO_LOAD_COURSE` | — | Course path to load automatically on start |
---
## Features
**Library browsing**
- Lazy-loading folder browser (grid or list view) with search, including an
opt-in transcript search across subtitle files
- Course cards show media file count, total video/audio runtime, and
completion % at a glance
- Cover art: uses a manually-placed `cover`/`folder`/`thumbnail`/`thumb`/
`poster` image if a course has one, otherwise auto-generates one via
`ffmpeg` from a frame of the course's first video
- Hide courses/folders from the browser without touching anything on disk;
bulk-select to hide or queue several at once
- Bulk rename across course/folder names (find & replace)
**Dashboard**
- Library-wide stats (courses, lessons completed, time watched, time
remaining, day streak) and a 90-day activity heatmap
- Next Up queue (manually curated, reorderable)
- Pick Back Up (courses with progress that have gone stale)
- Recently Added / Recently Viewed
- Surprise Me — dice icon in the header, random pick weighted toward
incomplete courses
**Playback & progress**
- Video/audio player with resize, playback-speed presets, and resume-from-
last-position
- Auto-tracks watch progress and completion per lesson
- Video/audio durations read via `ffprobe` and cached persistently per
course (`.offlineu_duration_cache.json`), so total runtime and per-lesson
length show up before you've ever pressed play — not just after; the
same cache backs the library-wide "time remaining" stat
- Settings → "Precompute Lengths & Cover Art" walks the whole library in
the background to populate durations and thumbnails up front, with live
progress
**Notes**
- Timestamped notes per lesson, capturable via a keyboard shortcut without
leaving the player
- Notes Hub: every note across the whole library, searchable, in one list
- Per-course study guide export (markdown, organized by section)
**Personalization** (Settings)
- 54 built-in themes (grouped in the dropdown: Base, Editor Themes, and 5
categories of website-inspired schemes sourced from Figma's "53 Unique
Website Color Schemes" - 42 of the 53 kept, after cutting a couple of
neon-bright ones and several that ended up near-duplicates of another
scheme once mapped into actual UI colors), or a fully custom accent
color, corner radius, and card style
- Font, text size, page width, and spacing density
- Default library path override + manual "Refresh Library" (bypasses the
5-minute filesystem-scan cache)
**Backup & integrations**
- One-click backup export and restore: settings, hidden-path choices, the
Next Up queue, recent-view history, Outline config, and every course's
progress/notes as a zip (not the course files themselves). Restore
overwrites current data and needs a matching course folder to already
exist for each course's progress to land - it's a "put my data back"
action, not a merge
- Optional [Outline](https://www.getoutline.com/) integration — push a
lesson's notes to an Outline document/collection
---
## Data files
Everything under `OFFLINEU_DATA_DIR` (app-wide, not tied to a course):
| File | Contents |
| ---------------------- | ------------------------------------------ |
| `settings.json` | Theme, layout, library path, etc. |
| `hidden_paths.json` | Courses/folders curated out of the browser |
| `next_up.json` | The Next Up queue, in order |
| `recent_views.json` | Cross-course "Recently Viewed" history |
| `outline_config.json` | Outline API token/collection mapping |
Per-course, written inside the course's own folder on the library volume:
| File | Contents |
| ----------------------------------- | -------------------------------------------------------- |
| `.offlineu_progress.json` | Per-lesson completed/progress/duration/notes |
| `.offlineu_duration_cache.json` | ffprobe duration cache, keyed by (path, size, mtime) |
| `.offlineu_thumbnail.jpg` | Auto-generated cover art (only if no manual cover exists) |
---
## Folder structure example
```
MyCourse/
├── Section 1/
│ ├── 01 - Intro.mp4
│ ├── 02 - Setup Guide.pdf
│ └── 03 - Quiz.html
├── Section 2/
│ ├── 04 - Advanced Tips.mp4
│ └── resources/
│ └── extras.md
├── .offlineu_progress.json ← created automatically
├── .offlineu_duration_cache.json ← created automatically
└── .offlineu_thumbnail.jpg ← created automatically, only if no manual cover exists
```
No metadata files needed — course/section/lesson names come straight from
folder and file names.
## Supported file types
| Type | Extensions |
| --------- | ------------------------------------------------------------------ |
| Video | `.mp4` `.mkv` `.avi` `.mov` `.webm` `.m4v` `.flv` `.wmv` |
| Audio | `.mp3` `.wav` `.m4a` `.aac` `.ogg` `.flac` |
| Documents | `.txt` `.md` `.html` `.htm` `.pdf` `.docx` `.doc` `.rtf` |
| Subtitles | `.srt` `.vtt` `.ass` `.sub` `.sbv` |
| Quizzes | Any doc file whose name contains `quiz`, `exam`, `test`, `assessment`, `exercise`, `assignment`, or `homework` |
---
## Tools
`tools/generate_website_scheme_themes.py` is the one-off script that
produced the 42 "website scheme" theme entries in `THEME_PALETTES` (of
53 candidates - 11 were cut after visual review, 2 for a neon-bright
accent and 9 for landing too close to another kept scheme once mapped
into actual UI colors) - not part of the running app, kept for reference
if those palettes ever need regenerating or extending. See its module
docstring for how it turned Figma's color-scheme screenshots into actual
UI palettes.