init
This commit is contained in:
icefox
commit
38a5c47dab
11 changed files with 550 additions and 0 deletions
26
.gitignore
vendored
Normal file
26
.gitignore
vendored
Normal file
|
|
@ -0,0 +1,26 @@
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|||
# Ignore everything
|
||||
*
|
||||
|
||||
# Whitelist gitignore itself
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||||
!.gitignore
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||||
|
||||
# Whitelist Go files
|
||||
!*.go
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||||
!go.mod
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||||
!go.sum
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||||
|
||||
# Whitelist templates
|
||||
!templates/
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||||
!templates/*.html
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||||
|
||||
# Whitelist assets
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||||
!assets/
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||||
!assets/*.js
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||||
!assets/*.css
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||||
|
||||
# Whitelist nix
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||||
!flake.nix
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||||
!flake.lock
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||||
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||||
# Whitelist database
|
||||
!*.sqlite
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||||
5
assets/alpine.min.js
vendored
Normal file
5
assets/alpine.min.js
vendored
Normal file
File diff suppressed because one or more lines are too long
1
assets/htmx.min.js
vendored
Normal file
1
assets/htmx.min.js
vendored
Normal file
File diff suppressed because one or more lines are too long
BIN
db.sqlite
Executable file
BIN
db.sqlite
Executable file
Binary file not shown.
61
flake.lock
generated
Normal file
61
flake.lock
generated
Normal file
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@ -0,0 +1,61 @@
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{
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"nodes": {
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"flake-utils": {
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"inputs": {
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"systems": "systems"
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},
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||||
"locked": {
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||||
"lastModified": 1731533236,
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||||
"narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
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"owner": "numtide",
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||||
"repo": "flake-utils",
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"rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
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"type": "github"
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},
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||||
"original": {
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||||
"owner": "numtide",
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"repo": "flake-utils",
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||||
"type": "github"
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||||
}
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},
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"nixpkgs": {
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||||
"locked": {
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||||
"lastModified": 1766651565,
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||||
"narHash": "sha256-QEhk0eXgyIqTpJ/ehZKg9IKS7EtlWxF3N7DXy42zPfU=",
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||||
"owner": "NixOS",
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||||
"repo": "nixpkgs",
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||||
"rev": "3e2499d5539c16d0d173ba53552a4ff8547f4539",
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"type": "github"
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||||
},
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||||
"original": {
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||||
"owner": "NixOS",
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"ref": "nixos-unstable",
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"repo": "nixpkgs",
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||||
"type": "github"
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||||
}
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||||
},
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||||
"root": {
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||||
"inputs": {
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||||
"flake-utils": "flake-utils",
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||||
"nixpkgs": "nixpkgs"
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}
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},
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||||
"systems": {
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||||
"locked": {
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||||
"lastModified": 1681028828,
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||||
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
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||||
"owner": "nix-systems",
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||||
"repo": "default",
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||||
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
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||||
"type": "github"
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||||
},
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||||
"original": {
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||||
"owner": "nix-systems",
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"repo": "default",
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"type": "github"
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||||
}
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}
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},
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"root": "root",
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"version": 7
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}
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34
flake.nix
Normal file
34
flake.nix
Normal file
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{
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description = "Henna - Go web server with SQLite";
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inputs = {
|
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
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flake-utils.url = "github:numtide/flake-utils";
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};
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outputs = { self, nixpkgs, flake-utils }:
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flake-utils.lib.eachDefaultSystem (system:
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let
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pkgs = nixpkgs.legacyPackages.${system};
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in
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{
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packages.default = pkgs.buildGoModule {
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pname = "henna";
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version = "0.1.0";
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src = ./.;
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vendorHash = null; # Update after running go mod tidy
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buildInputs = [ pkgs.sqlite ];
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CGO_ENABLED = 1;
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||||
};
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||||
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devShells.default = pkgs.mkShell {
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buildInputs = with pkgs; [
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||||
go
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sqlite
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gcc
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||||
];
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||||
};
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||||
});
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}
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5
go.mod
Normal file
5
go.mod
Normal file
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module henna
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go 1.23
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require github.com/mattn/go-sqlite3 v1.14.24
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2
go.sum
Normal file
2
go.sum
Normal file
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@ -0,0 +1,2 @@
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|||
github.com/mattn/go-sqlite3 v1.14.24 h1:tpSp2G2KyMnnQu99ngJ47EIkWVmliIizyZBfPrBWDRM=
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github.com/mattn/go-sqlite3 v1.14.24/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
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296
main.go
Normal file
296
main.go
Normal file
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@ -0,0 +1,296 @@
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package main
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import (
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"database/sql"
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"embed"
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"flag"
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"fmt"
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"html/template"
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"log"
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"math/rand"
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"net/http"
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"net/url"
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"strconv"
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"strings"
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_ "github.com/mattn/go-sqlite3"
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)
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//go:embed templates/*
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var templatesFS embed.FS
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//go:embed assets/*
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var assetsFS embed.FS
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type CoverData struct {
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Comic int
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Path string
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Prefix string
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}
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var (
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db *sql.DB
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tmpl *template.Template
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imaginaryURL string
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galleryPath string
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databasePath string
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randomCovers []CoverData
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)
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func main() {
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flag.StringVar(&imaginaryURL, "imaginary", "http://192.168.88.54:10001", "imaginary root URL")
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flag.StringVar(&galleryPath, "gallery", "/home/user/mnt/panda/galleries/", "gallery path")
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flag.StringVar(&databasePath, "database", "./db.sqlite", "database path")
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flag.Parse()
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var err error
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db, err = sql.Open("sqlite3", "./db.sqlite")
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if err != nil {
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log.Fatal(err)
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}
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defer db.Close()
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||||
if err = db.Ping(); err != nil {
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log.Fatal(err)
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||||
}
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log.Println("SQLite connected")
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||||
tmpl, err = template.ParseFS(templatesFS, "templates/*.html")
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if err != nil {
|
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log.Fatal(err)
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}
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http.HandleFunc("/gallery/", handleGallery)
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http.HandleFunc("/random/", handleRandom)
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http.HandleFunc("/random", handleRandom)
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http.HandleFunc("/", handleIndex)
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http.Handle("/assets/", http.FileServer(http.FS(assetsFS)))
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http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir(galleryPath))))
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||||
|
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log.Println("Server listening on :8080")
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log.Fatal(http.ListenAndServe(":10000", nil))
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||||
}
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||||
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||||
func handleRandom(w http.ResponseWriter, r *http.Request) {
|
||||
path := strings.TrimPrefix(r.URL.Path, "/random")
|
||||
path = strings.TrimPrefix(path, "/")
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||||
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||||
// If accessing /random without chapter, shuffle and redirect to /random/0
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||||
if path == "" {
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||||
query := `
|
||||
select page.id_comic, comic.directory || '/' || page.filename path, page.prefix
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||||
from page
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||||
join comic on comic.id_comic = page.id_comic
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||||
where page.number = 0
|
||||
`
|
||||
rows, err := db.Query(query)
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||||
if err != nil {
|
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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defer rows.Close()
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randomCovers = nil
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||||
for rows.Next() {
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var c CoverData
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||||
if err := rows.Scan(&c.Comic, &c.Path, &c.Prefix); err != nil {
|
||||
http.Error(w, err.Error(), http.StatusInternalServerError)
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||||
return
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}
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randomCovers = append(randomCovers, c)
|
||||
}
|
||||
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||||
rand.Shuffle(len(randomCovers), func(i, j int) {
|
||||
randomCovers[i], randomCovers[j] = randomCovers[j], randomCovers[i]
|
||||
})
|
||||
|
||||
http.Redirect(w, r, "/random/0", http.StatusFound)
|
||||
return
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}
|
||||
|
||||
chapter, err := strconv.Atoi(path)
|
||||
if err != nil {
|
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http.NotFound(w, r)
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return
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}
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|
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const limit = 18
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offset := chapter * limit
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|
||||
type Cover struct {
|
||||
Comic int
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||||
Url string
|
||||
}
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||||
end := offset + limit*2
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if end > len(randomCovers) {
|
||||
end = len(randomCovers)
|
||||
}
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||||
start := offset
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||||
if start > len(randomCovers) {
|
||||
start = len(randomCovers)
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||||
}
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||||
|
||||
all := make([]Cover, 0, limit*2)
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||||
for _, c := range randomCovers[start:end] {
|
||||
var coverUrl string
|
||||
if c.Prefix == "imaginary" {
|
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coverUrl = fmt.Sprintf("%s/smartcrop?width=300&height=370&file=%s", imaginaryURL, url.QueryEscape(c.Path))
|
||||
} else {
|
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coverUrl = "/static/" + c.Path
|
||||
}
|
||||
all = append(all, Cover{Comic: c.Comic, Url: coverUrl})
|
||||
}
|
||||
|
||||
covers := all
|
||||
var preload []Cover
|
||||
if len(all) > limit {
|
||||
covers = all[:limit]
|
||||
preload = all[limit:]
|
||||
}
|
||||
|
||||
var nextChapter int
|
||||
if len(preload) > 0 {
|
||||
nextChapter = chapter + 1
|
||||
} else {
|
||||
nextChapter = chapter
|
||||
}
|
||||
|
||||
data := struct {
|
||||
Covers []Cover
|
||||
Preload []Cover
|
||||
Chapter int
|
||||
Prefix string
|
||||
}{covers, preload, nextChapter, "/random"}
|
||||
|
||||
tmpl.ExecuteTemplate(w, "index.html", data)
|
||||
}
|
||||
|
||||
func handleGallery(w http.ResponseWriter, r *http.Request) {
|
||||
comic := strings.TrimPrefix(r.URL.Path, "/gallery/")
|
||||
if comic == "" {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
query := `
|
||||
select comic.title, comic.directory || '/' || page.filename, page.prefix
|
||||
from page
|
||||
join comic on page.id_comic = comic.id_comic
|
||||
where comic.id_comic = ?
|
||||
order by page.number
|
||||
`
|
||||
rows, err := db.Query(query, comic)
|
||||
if err != nil {
|
||||
http.Error(w, err.Error(), http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
defer rows.Close()
|
||||
|
||||
type Page struct {
|
||||
Path string
|
||||
Prefix string
|
||||
}
|
||||
|
||||
var title string
|
||||
var pages []Page
|
||||
for rows.Next() {
|
||||
var path, prefix string
|
||||
if err := rows.Scan(&title, &path, &prefix); err != nil {
|
||||
http.Error(w, err.Error(), http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
pages = append(pages, Page{Path: path, Prefix: prefix})
|
||||
}
|
||||
|
||||
if len(pages) == 0 {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
|
||||
data := struct {
|
||||
Title string
|
||||
Pages []Page
|
||||
ImaginaryURL string
|
||||
}{title, pages, imaginaryURL}
|
||||
|
||||
tmpl.ExecuteTemplate(w, "gallery.html", data)
|
||||
}
|
||||
|
||||
func handleIndex(w http.ResponseWriter, r *http.Request) {
|
||||
chapter := 0
|
||||
path := strings.TrimPrefix(r.URL.Path, "/")
|
||||
if path != "" {
|
||||
var err error
|
||||
chapter, err = strconv.Atoi(path)
|
||||
if err != nil {
|
||||
http.NotFound(w, r)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
const limit = 18
|
||||
offset := chapter * limit
|
||||
|
||||
query := `
|
||||
select page.id_comic, comic.directory || '/' || page.filename path, page.prefix
|
||||
from page
|
||||
join comic on comic.id_comic = page.id_comic
|
||||
where page.number = 0
|
||||
order by comic.id_comic desc
|
||||
limit ? offset ?
|
||||
`
|
||||
|
||||
rows, err := db.Query(query, limit*2, offset)
|
||||
if err != nil {
|
||||
http.Error(w, err.Error(), http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
defer rows.Close()
|
||||
|
||||
type Cover struct {
|
||||
Comic int
|
||||
Url string
|
||||
}
|
||||
|
||||
all := make([]Cover, 0, limit*2)
|
||||
for rows.Next() {
|
||||
var comic int
|
||||
var path, prefix string
|
||||
if err := rows.Scan(&comic, &path, &prefix); err != nil {
|
||||
http.Error(w, err.Error(), http.StatusInternalServerError)
|
||||
return
|
||||
}
|
||||
var coverUrl string
|
||||
if prefix == "imaginary" {
|
||||
coverUrl = fmt.Sprintf("%s/smartcrop?width=300&height=370&file=%s", imaginaryURL, url.QueryEscape(path))
|
||||
} else {
|
||||
coverUrl = "/static/" + path
|
||||
}
|
||||
all = append(all, Cover{Comic: comic, Url: coverUrl})
|
||||
}
|
||||
|
||||
covers := all
|
||||
var preload []Cover
|
||||
if len(all) > limit {
|
||||
covers = all[:limit]
|
||||
preload = all[limit:]
|
||||
}
|
||||
|
||||
var nextChapter int
|
||||
if len(preload) > 0 {
|
||||
nextChapter = chapter + 1
|
||||
} else {
|
||||
nextChapter = chapter
|
||||
}
|
||||
data := struct {
|
||||
Covers []Cover
|
||||
Preload []Cover
|
||||
Chapter int
|
||||
Prefix string
|
||||
}{covers, preload, nextChapter, ""}
|
||||
|
||||
tmpl.ExecuteTemplate(w, "index.html", data)
|
||||
}
|
||||
|
||||
79
templates/gallery.html
Normal file
79
templates/gallery.html
Normal file
|
|
@ -0,0 +1,79 @@
|
|||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>{{.Title}}</title>
|
||||
<script src="/assets/alpine.min.js" defer></script>
|
||||
<style>
|
||||
* { margin: 0; padding: 0; box-sizing: border-box; }
|
||||
body { background: black; height: 100vh; overflow: hidden; }
|
||||
.page {
|
||||
width: 100vw;
|
||||
height: 100vh;
|
||||
background-size: contain;
|
||||
background-repeat: no-repeat;
|
||||
background-position: center;
|
||||
}
|
||||
.page.landscape {
|
||||
width: 100vh;
|
||||
height: 100vw;
|
||||
transform: rotate(270deg) translateY(-50%);
|
||||
transform-origin: top right;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div
|
||||
x-data="{
|
||||
current: 0,
|
||||
landscape: false,
|
||||
width: 1080,
|
||||
height: 1920,
|
||||
imaginary: '{{.ImaginaryURL}}',
|
||||
pages: [{{range $i, $p := .Pages}}{{if $i}},{{end}}{path: '{{$p.Path}}', prefix: '{{$p.Prefix}}'}{{end}}],
|
||||
urls: [],
|
||||
prefetched: new Set(),
|
||||
buildUrls() {
|
||||
this.urls = this.pages.map(p => {
|
||||
if (p.prefix === 'imaginary') {
|
||||
return this.imaginary + '/fit?width=' + this.width + '&height=' + this.height + '&file=' + encodeURIComponent(p.path);
|
||||
}
|
||||
return '/static/' + p.path;
|
||||
});
|
||||
this.prefetched.clear();
|
||||
},
|
||||
prefetch() {
|
||||
const img = new Image();
|
||||
img.onload = () => {
|
||||
for (let i = 1; i <= 10 && this.current + i < this.urls.length; i++) {
|
||||
const url = this.urls[this.current + i];
|
||||
if (!this.prefetched.has(url)) {
|
||||
this.prefetched.add(url);
|
||||
new Image().src = url;
|
||||
}
|
||||
}
|
||||
};
|
||||
img.src = this.urls[this.current];
|
||||
},
|
||||
swap() {
|
||||
this.landscape = !this.landscape;
|
||||
[this.width, this.height] = [this.height, this.width];
|
||||
this.buildUrls();
|
||||
},
|
||||
init() {
|
||||
this.buildUrls();
|
||||
this.prefetch();
|
||||
this.$watch('current', () => this.prefetch());
|
||||
}
|
||||
}"
|
||||
@keydown.window.left.prevent="current = Math.max(0, current - 1)"
|
||||
@keydown.window.right.prevent="current = Math.min(urls.length - 1, current + 1)"
|
||||
@keydown.window.k.prevent="swap()"
|
||||
@keydown.window.backspace.prevent="history.back()"
|
||||
autofocus
|
||||
>
|
||||
<div class="page" :class="landscape ? 'landscape' : ''" :style="'background-image: url(\'' + urls[current] + '\');'"></div>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
41
templates/index.html
Normal file
41
templates/index.html
Normal file
|
|
@ -0,0 +1,41 @@
|
|||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>Henna</title>
|
||||
<script src="/assets/htmx.min.js" defer></script>
|
||||
<script src="/assets/alpine.min.js" defer></script>
|
||||
</head>
|
||||
<body style="margin: 0; background-color: black; overflow: hidden;">
|
||||
<div id="app"
|
||||
x-data="{active: 0, total: {{len .Covers}}, row: 6, chapter: {{.Chapter}}, prefix: '{{.Prefix}}', comics: [{{range $i, $c := .Covers}}{{if $i}},{{end}}{{$c.Comic}}{{end}}]}"
|
||||
@keydown.window.left.prevent="active = Math.max(0, active - 1)"
|
||||
@keydown.window.right.prevent="active = Math.min(total - 1, active + 1)"
|
||||
@keydown.window.up.prevent="active = Math.max(0, active - row)"
|
||||
@keydown.window.down.prevent="active = Math.min(total - 1, active + row)"
|
||||
@keydown.window.i.prevent="htmx.ajax('GET', prefix + '/' + chapter, {target: '#app', swap: 'outerHTML'})"
|
||||
@keydown.window.n.prevent="htmx.ajax('GET', prefix + '/' + Math.max(0, chapter - 2), {target: '#app', swap: 'outerHTML'})"
|
||||
@keydown.window.enter.prevent="window.location.href = '/gallery/' + comics[active]"
|
||||
@wheel.window.prevent="$event.deltaY > 0 ? htmx.ajax('GET', prefix + '/' + chapter, {target: '#app', swap: 'outerHTML'}) : htmx.ajax('GET', prefix + '/' + Math.max(0, chapter - 2), {target: '#app', swap: 'outerHTML'})"
|
||||
autofocus
|
||||
>
|
||||
<div>
|
||||
{{range $i, $c := .Covers}}
|
||||
<div class="cover" :class="{'active': active === {{$i}}}">
|
||||
<img src="{{$c.Url}}" width="300" height="370">
|
||||
</div>
|
||||
{{end}}
|
||||
</div>
|
||||
<style>
|
||||
.cover { display: inline-block; margin: 2px; outline: 2px solid transparent; }
|
||||
.cover.active { outline: 2px solid #0af; }
|
||||
</style>
|
||||
<script>
|
||||
setTimeout(() => {
|
||||
[{{range $i, $c := .Preload}}{{if $i}},{{end}}'{{$c.Url}}'{{end}}].forEach(url => new Image().src = url);
|
||||
}, 200);
|
||||
</script>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
Loading…
Add table
Add a link
Reference in a new issue