Albirew/nyaa-pantsu
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Added ORM Support, Models and cleaned up a bit the code

Changing from plain sql queries to GORM for better maintenance and stability
Use of Models for database tables and added JSON objects
Cleaned a bit the code and added some comments in the files
Cette révision appartient à :
akuma06 2017-05-04 05:28:42 +02:00
Parent e4a8452481
révision 4b66f731a3
3 fichiers modifiés avec 208 ajouts et 100 suppressions

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@ -91,7 +91,7 @@
<th>Hash</th>
<th>Links</th>
</tr>
{{ range .Records}}
{{ range .ListTorrents}}
<tr {{if eq .Status 2}}class="remake"{{end}}
{{if eq .Status 3}}class="trusted"{{end}}
{{if eq .Status 4}}class="aplus"{{end}}>

149
main.go
Voir le fichier

@ -1,44 +1,34 @@
package main
import (
"database/sql"
"encoding/json"
"github.com/gorilla/mux"
_ "github.com/mattn/go-sqlite3"
"github.com/jinzhu/gorm"
_ "github.com/jinzhu/gorm/dialects/sqlite"
"html"
"html/template"
"log"
"net/http"
"net/url"
"strconv"
"strings"
"time"
)
var dbHandle *sql.DB
var db *gorm.DB
var templates = template.Must(template.ParseFiles("index.html"))
var debugLogger *log.Logger
var trackers = "&tr=udp://zer0day.to:1337/announce&tr=udp://tracker.leechers-paradise.org:6969&tr=udp://explodie.org:6969&tr=udp://tracker.opentrackr.org:1337&tr=udp://tracker.coppersurfer.tk:6969"
type Record struct {
Category string `json: "category"`
Records []Records `json: "records"`
QueryRecordCount int `json: "queryRecordCount"`
TotalRecordCount int `json: "totalRecordCount"`
}
type Records struct {
Id string `json: "id"`
Name string `json: "name"`
Status int `json: "status"`
Hash string `json: "hash"`
Magnet template.URL `json: "magnet"`
}
func getDBHandle() *gorm.DB {
dbInit, err := gorm.Open("sqlite3", "./nyaa.db")
// Migrate the schema of Torrents
// dbInit.AutoMigrate(&Torrents{})
// dbInit.AutoMigrate(&SubCategories{})
func getDBHandle() *sql.DB {
db, err := sql.Open("sqlite3", "./nyaa.db")
checkErr(err)
return db
return dbInit
}
func checkErr(err error) {
@ -52,28 +42,21 @@ func apiHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
page := vars["page"]
pagenum, _ := strconv.Atoi(html.EscapeString(page))
b := Record{Records: []Records{}}
rows, err := dbHandle.Query("select torrent_id, torrent_name, status_id, torrent_hash from torrents ORDER BY torrent_id DESC LIMIT 50 offset ?", 50*(pagenum-1))
for rows.Next() {
var id, name, hash, magnet string
var status int
rows.Scan(&id, &name, &status, &hash)
magnet = "magnet:?xt=urn:btih:" + hash + "&dn=" + url.QueryEscape(name) + trackers
res := Records{
Id: id,
Name: name,
Status: status,
Hash: hash,
Magnet: safe(magnet)}
b := CategoryJson{Torrents: []TorrentsJson{}}
maxPerPage := 50
nbTorrents := 0
b.Records = append(b.Records, res)
torrents := getAllTorrents(maxPerPage, maxPerPage*(pagenum-1))
for i, _ := range torrents {
nbTorrents++
res := torrents[i].toJson()
b.Torrents = append(b.Torrents, res)
}
b.QueryRecordCount = 50
b.TotalRecordCount = 1473098
rows.Close()
b.QueryRecordCount = maxPerPage
b.TotalRecordCount = nbTorrents
w.Header().Set("Content-Type", "application/json")
err = json.NewEncoder(w).Encode(b)
err := json.NewEncoder(w).Encode(b)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
@ -84,26 +67,14 @@ func singleapiHandler(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
id := vars["id"]
b := Record{Records: []Records{}}
rows, err := dbHandle.Query("select torrent_id, torrent_name, status_id, torrent_hash from torrents where torrent_id = ? ORDER BY torrent_id DESC", html.EscapeString(id))
for rows.Next() {
var id, name, hash, magnet string
var status int
rows.Scan(&id, &name, &status, &hash)
magnet = "magnet:?xt=urn:btih:" + hash + "&dn=" + url.QueryEscape(name) + trackers
res := Records{
Id: id,
Name: name,
Status: status,
Hash: hash,
Magnet: safe(magnet)}
b := CategoryJson{Torrents: []TorrentsJson{}}
b.Records = append(b.Records, res)
torrent, err := getTorrentById(id)
res := torrent.toJson()
b.Torrents = append(b.Torrents, res)
}
b.QueryRecordCount = 1
b.TotalRecordCount = 1473098
rows.Close()
b.TotalRecordCount = 1
w.Header().Set("Content-Type", "application/json")
err = json.NewEncoder(w).Encode(b)
@ -123,39 +94,28 @@ func searchHandler(w http.ResponseWriter, r *http.Request) {
maxPerPage = 50 // default Value maxPerPage
}
pagenum, _ := strconv.Atoi(html.EscapeString(page))
param1 := r.URL.Query().Get("q")
searchQuery := r.URL.Query().Get("q")
cat := r.URL.Query().Get("c")
param2 := strings.Split(cat, "_")[0]
param3 := strings.Split(cat, "_")[1]
searchCatId := html.EscapeString(strings.Split(cat, "_")[0])
searchSubCatId := html.EscapeString(strings.Split(cat, "_")[1])
nbTorrents := 0
b := Record{Category: cat, Records: []Records{}}
rows, err := dbHandle.Query("select torrent_id, torrent_name, status_id, torrent_hash from torrents "+
"where torrent_name LIKE ? AND category_id LIKE ? AND sub_category_id LIKE ? "+
"ORDER BY torrent_id DESC LIMIT ? offset ?",
"%"+html.EscapeString(param1)+"%", html.EscapeString(param2)+"%", html.EscapeString(param3)+"%", maxPerPage, maxPerPage*(pagenum-1))
for rows.Next() {
nbTorrents++
var id, name, hash, magnet string
var status int
rows.Scan(&id, &name, &status, &hash)
magnet = "magnet:?xt=urn:btih:" + hash + "&dn=" + url.QueryEscape(name) + trackers
res := Records{
Id: id,
Name: name,
Status: status,
Hash: hash,
Magnet: safe(magnet)}
b := []TorrentsJson{}
b.Records = append(b.Records, res)
torrents := getTorrents(createWhereParams("torrent_name LIKE ? AND category_id LIKE ? AND sub_category_id LIKE ?", "%"+searchQuery+"%", searchCatId+"%", searchSubCatId+"%"), maxPerPage, maxPerPage*(pagenum-1))
for i, _ := range torrents {
nbTorrents++
res := torrents[i].toJson()
b = append(b, res)
}
b.QueryRecordCount = maxPerPage
b.TotalRecordCount = nbTorrents
rows.Close()
err = templates.ExecuteTemplate(w, "index.html", &b)
htv := HomeTemplateVariables{b, getAllCategories(false), searchQuery, cat, maxPerPage, nbTorrents}
err := templates.ExecuteTemplate(w, "index.html", htv)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
@ -176,28 +136,19 @@ func rootHandler(w http.ResponseWriter, r *http.Request) {
nbTorrents := 0
pagenum, _ := strconv.Atoi(html.EscapeString(page))
b := Record{Category: "_", Records: []Records{}}
rows, err := dbHandle.Query("select torrent_id, torrent_name, status_id, torrent_hash from torrents ORDER BY torrent_id DESC LIMIT ? offset ?", maxPerPage, maxPerPage*(pagenum-1))
for rows.Next() {
b := []TorrentsJson{}
torrents := getAllTorrents(maxPerPage, maxPerPage*(pagenum-1))
for i, _ := range torrents {
nbTorrents++
var id, name, hash, magnet string
var status int
rows.Scan(&id, &name, &status, &hash)
magnet = "magnet:?xt=urn:btih:" + hash + "&dn=" + url.QueryEscape(name) + trackers
res := Records{
Id: id,
Name: name,
Status: status,
Hash: hash,
Magnet: safe(magnet)}
res := torrents[i].toJson()
b.Records = append(b.Records, res)
b = append(b, res)
}
b.QueryRecordCount = maxPerPage
b.TotalRecordCount = nbTorrents
rows.Close()
err = templates.ExecuteTemplate(w, "index.html", &b)
htv := HomeTemplateVariables{b, getAllCategories(false), "", "_", maxPerPage, nbTorrents}
err := templates.ExecuteTemplate(w, "index.html", htv)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
@ -206,7 +157,7 @@ func rootHandler(w http.ResponseWriter, r *http.Request) {
func main() {
dbHandle = getDBHandle()
db = getDBHandle()
router := mux.NewRouter()
cssHandler := http.FileServer(http.Dir("./css/"))

157
models.go Fichier normal
Voir le fichier

@ -0,0 +1,157 @@
package main
import (
"github.com/jinzhu/gorm"
"html"
"html/template"
"strconv"
"net/url"
"errors"
)
type Categories struct {
Category_id int
Category_name string
Torrents []Torrents `gorm:"ForeignKey:category_id;AssociationForeignKey:category_id"`
Sub_category []Sub_Categories `gorm:"ForeignKey:category_id;AssociationForeignKey:parent_id"`
}
type Sub_Categories struct {
Sub_category_id int
Sub_category_name string
Parent_id int
Torrents []Torrents `gorm:"ForeignKey:sub_category_id;AssociationForeignKey:sub_category_id"`
}
type Torrents struct {
gorm.Model
Id int `gorm:"column:torrent_id"`
Name string `gorm:"column:torrent_name"`
Category_id int `gorm:"column:category_id"`
Sub_category_id int
Status int `gorm:"column:status_id"`
Hash string `gorm:"column:torrent_hash"`
Categories Categories `gorm:"ForeignKey:category_id;AssociationForeignKey:category_id"`
Sub_Categories Sub_Categories `gorm:"ForeignKey:sub_category_id;AssociationForeignKey:sub_category_id"`
}
/* We need JSON Object instead because of Magnet URL that is not in the database but generated dynamically
--------------------------------------------------------------------------------------------------------------
JSON Models Oject
--------------------------------------------------------------------------------------------------------------
*/
type CategoryJson struct {
Category string `json: "category"`
Torrents []TorrentsJson `json: "torrents"`
QueryRecordCount int `json: "queryRecordCount"`
TotalRecordCount int `json: "totalRecordCount"`
}
type TorrentsJson struct {
Id string `json: "id"` // Is there a need to put the ID?
Name string `json: "name"`
Status int `json: "status"`
Hash string `json: "hash"`
Magnet template.URL `json: "magnet"`
}
type WhereParams struct {
conditions string // Ex : name LIKE ? AND category_id LIKE ?
params []interface{}
}
/* Each Page should have an object to pass to their own template */
type HomeTemplateVariables struct {
ListTorrents []TorrentsJson
ListCategories []Categories
Query string
Category string
QueryRecordCount int
TotalRecordCount int
}
/* Function to interact with Models
*
* Get the torrents with where clause
*
*/
func getTorrentById(id string) (Torrents, error) {
var torrent Torrents
if db.Order("torrent_id DESC").First(&torrent, "id = ?", html.EscapeString(id)).RecordNotFound() {
return torrent, errors.New("Article is not found.")
}
return torrent, nil
}
func getTorrents(parameters WhereParams, limit int, offset int) ([]Torrents) {
var torrents []Torrents
db.Limit(limit).Offset(offset).Order("torrent_id DESC").Where(parameters.conditions, parameters.params...).Preload("Categories").Preload("Sub_Categories").Find(&torrents)
return torrents
}
func getTorrentsDB(parameters WhereParams) ([]Torrents) {
var torrents []Torrents
db.Where(parameters.conditions, parameters.params...).Order("torrent_id DESC").Preload("Categories").Preload("Sub_Categories").Find(&torrents)
return torrents
}
/* Function to get all torrents
*/
func getAllTorrents(limit int, offset int) ([]Torrents) {
var torrents []Torrents
db.Model(&torrents).Limit(limit).Offset(offset).Order("torrent_id DESC").Preload("Categories").Preload("Sub_Categories").Find(&torrents)
return torrents
}
func getAllTorrentsDB() ([]Torrents) {
var torrents []Torrents
db.Order("torrent_id DESC").Preload("Categories").Preload("Sub_Categories").Find(&torrents)
return torrents
}
/* Function to get all categories with/without torrents (bool)
*/
func getAllCategories(populatedWithTorrents bool) ([]Categories) {
var categories []Categories
if populatedWithTorrents {
db.Preload("Torrents").Preload("Sub_Categories").Find(&categories)
} else {
db.Preload("Sub_Categories").Find(&categories)
}
return categories
}
func (t *Torrents) toJson() (TorrentsJson) {
magnet := "magnet:?xt=urn:btih:" + t.Hash + "&dn=" + url.QueryEscape(t.Name) + trackers
res := TorrentsJson{
Id: strconv.Itoa(t.Id),
Name: t.Name,
Status: t.Status,
Hash: t.Hash,
Magnet: safe(magnet)}
return res;
}
func createWhereParams(conditions string, params ...string) (WhereParams) {
whereParams := WhereParams{}
whereParams.conditions = conditions
for i, _ := range params {
whereParams.params = append(whereParams.params, params[i])
}
return whereParams
}
/* Complete the functions when necessary... */