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Arif Herusetyo Wicaksono 2019-03-05 00:07:59 +09:00
commit e5d13f19ad
Signed by: arif
GPG Key ID: 977E4FEF5F35FBF6
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# ---> Go
# Binaries for programs and plugins
*.exe
*.exe~
*.dll
*.so
*.dylib
# Test binary, build with `go test -c`
*.test
# Output of the go coverage tool, specifically when used with LiteIDE
*.out
# vfsdata
*_vfsdata.go
# binary
photlog
# application data
data/

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Apache License
Version 2.0, January 2004
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.PHONY: clean generate setup install
clean:
rm assets/static/static_vfsdata.go
rm assets/static/template_vfsdata.go
rm photlog
generate:
go generate
build: generate
go build
install: generate
go install

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# photlog

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package main
import (
"log"
"net/http"
"github.com/shurcooL/vfsgen"
)
func main() {
var err error
templateFiles := http.Dir("assets/template")
err = vfsgen.Generate(templateFiles, vfsgen.Options{
Filename: "assets/template/template_vfsdata.go",
PackageName: "template",
VariableName: "Template",
})
if err != nil {
log.Fatalln("Unable to generate templates: ", err)
}
staticFiles := http.Dir("assets/static")
err = vfsgen.Generate(staticFiles, vfsgen.Options{
Filename: "assets/static/static_vfsdata.go",
PackageName: "static",
VariableName: "Static",
})
if err != nil {
log.Fatalln("Unable to generate static files: ", err)
}
}

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<!DOCTYPE html>
<html>
<head>
<title>Welcome!</title>
<link href="/static/css/bootstrap.css" rel=stylesheet>
</head>
<body>
<div class="container">
<div class="row">
<img src="/static/img/profile.jpg" alt="profile-picture" class="rounded">
<h1>Photlog</h1>
</div>
<div class="row">
<div class="col text-center">
<img src="/media/{{.Media}}" alt="{{.Title}}" class="rounded">
</div>
<div class="col">
<h3 class="text-center">{{.Title}}</h3>
<h5 class="text-center">{{.Subtitle}}</h5>
<p>{{.Description}}.</p>
</div>
</div>
</div>
<script src="/static/js/bootstrap.js"></script>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<title>Post Content</title>
<link href="/static/css/bootstrap.css" rel=stylesheet>
</head>
<body>
<div class="container">
<div class="row">
<form enctype="multipart/form-data" method="POST" action="/post/">
<div class="form-group">
<label for="title">Title</label>
<input type="text" class="form-control" name="title" placeholder="Title">
</div>
<div class="form-group">
<label for="subtitle">Subtitle</label>
<input type="text" class="form-control" name="subtitle" placeholder="Subtitle">
</div>
<div class="form-group">
<label for="description">Description</label>
<input type="text" class="form-control" name="description" placeholder="Description">
</div>
<div class="form-group">
<label for="media">Media</label>
<input type="file" class="form-control-file" name="media">
</div>
<button type="submit" class="btn btn-primary">Submit</button>
</form>
</div>
</div>
<script src="/static/js/bootstrap.js"></script>
</body>
</html>

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{
"Address": "",
"Port": 8000
}

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//go:generate go run assets/generate.go
package main
import (
"database/sql"
"io"
"log"
"net/http"
"os"
"path"
"git.wicak.co/arif/photlog/assets/static"
"git.wicak.co/arif/photlog/assets/template"
"git.wicak.co/arif/photlog/models"
_ "github.com/mattn/go-sqlite3"
"github.com/shurcooL/httpfs/html/vfstemplate"
)
// Env contains the app configuration
type Env struct {
dataSource string
db *sql.DB
}
func init() {
env := Env{"/data/data.sqlite3", nil}
_, err := os.Stat("./data")
if err != nil {
os.MkdirAll("./data", os.ModePerm)
env.db, err = models.InitDB("/data/data.sqlite3")
if err != nil {
log.Fatalln(err)
}
defer env.db.Close()
if _, err = env.db.Exec("CREATE TABLE IF NOT EXISTS data (uuid text not null primary key, title text not null, subtitle text not null, description text not null, media text not null);"); err != nil {
log.Fatalln(err)
}
uuid, title, subtitle, description, media := "df1852e4-4eb2-4227-acac-e1e743bb6189", "This is title", "This is subtitle", "This is description", "test.jpg"
if _, err = env.db.Exec("CREATE TABLE IF NOT EXISTS data (uuid text not null primary key, title text not null, subtitle text not null, description text not null, media text not null);"); err != nil {
log.Fatalln(err)
}
_, err = env.db.Exec("INSERT INTO data VALUES ($1, $2, $3, $4, $5) ON CONFLICT DO NOTHING;", uuid, title, subtitle, description, media)
if err != nil {
log.Println(err)
}
}
}
func (env *Env) indexHandler(w http.ResponseWriter, r *http.Request) {
tmpl, err := vfstemplate.ParseFiles(template.Template, nil, "/index.html")
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(500), 500)
return
}
uuid := "df1852e4-4eb2-4227-acac-e1e743bb6189"
post, err := models.GetPost(env.db, uuid)
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(500), 500)
return
}
err = tmpl.Execute(w, post)
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(500), 500)
return
}
}
func (env *Env) postHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != "POST" {
tmpl, err := vfstemplate.ParseFiles(template.Template, nil, "/post.html")
if err != nil {
http.Error(w, http.StatusText(500), 500)
return
}
uuid := "df1852e4-4eb2-4227-acac-e1e743bb6189"
post, err := models.GetPost(env.db, uuid)
if err != nil {
http.Error(w, http.StatusText(500), 500)
return
}
err = tmpl.Execute(w, post)
if err != nil {
http.Error(w, http.StatusText(500), 500)
return
}
} else {
err := r.ParseMultipartForm(4 * 1024 * 1024)
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(500), 500)
return
}
file, handler, err := r.FormFile("media")
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(500), 500)
return
}
defer file.Close()
fp, err := os.Create(path.Join("data", "media", handler.Filename))
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(500), 500)
return
}
defer fp.Close()
io.Copy(fp, file)
uuid := "df1852e4-4eb2-4227-acac-e1e743bb6189"
post := models.Post{
Title: r.FormValue("title"),
Subtitle: r.FormValue("subtitle"),
Description: r.FormValue("description"),
Media: handler.Filename,
}
err = models.UpdatePost(env.db, post, uuid)
if err != nil {
log.Println(err)
http.Error(w, http.StatusText(500), 500)
return
}
http.Redirect(w, r, "/", 302)
}
}
func main() {
dataSource := "data/data.sqlite3"
db, err := models.InitDB(dataSource)
if err != nil {
log.Fatalln(err)
}
defer db.Close()
env := &Env{dataSource: dataSource, db: db}
http.Handle("/static/", http.StripPrefix("/static/", http.FileServer(static.Static)))
http.Handle("/media/", http.StripPrefix("/media/", http.FileServer(http.Dir("data/media"))))
http.HandleFunc("/", env.indexHandler)
http.HandleFunc("/post/", env.postHandler)
http.ListenAndServe(":8000", nil)
}

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package models
import (
"database/sql"
// import sqlite driver
_ "github.com/mattn/go-sqlite3"
)
// InitDB returns sqlite3 connection
func InitDB(dataSource string) (*sql.DB, error) {
db, err := sql.Open("sqlite3", dataSource)
if err != nil {
return nil, err
}
return db, nil
}

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package models
import (
"database/sql"
)
// Post is the main data
type Post struct {
Title string
Subtitle string
Description string
Media string
}
// GetPost returns Post with the specified uuid
func GetPost(db *sql.DB, uuid string) (*Post, error) {
rows, err := db.Query("SELECT title, subtitle, description, media FROM data WHERE uuid = ?", uuid)
if err != nil {
return nil, err
}
defer rows.Close()
var post Post
for rows.Next() {
if err = rows.Scan(&post.Title, &post.Subtitle, &post.Description, &post.Media); err != nil {
return nil, err
}
}
return &post, nil
}
// UpdatePost update Post record with the matching uuid
func UpdatePost(db *sql.DB, post Post, uuid string) error {
stmt := "UPDATE data SET title = ?, subtitle = ?, description = ?, media = $5 WHERE uuid = ?"
_, err := db.Exec(stmt, post.Title, post.Subtitle, post.Description, post.Media, uuid)
if err != nil {
return err
}
return nil
}