Database, queries books
This commit is contained in:
parent
8df3f87a23
commit
e56b436928
1
.gitignore
vendored
1
.gitignore
vendored
@ -1,3 +1,4 @@
|
||||
*.swp
|
||||
*~
|
||||
go-bouquins
|
||||
calibre.db
|
||||
|
||||
@ -1,20 +1,22 @@
|
||||
package bouquins
|
||||
|
||||
import (
|
||||
"database/sql"
|
||||
"html/template"
|
||||
"log"
|
||||
"net/http"
|
||||
)
|
||||
|
||||
const (
|
||||
TPL_BOOKS = "books.html"
|
||||
TPL_AUTHORS = "authors.html"
|
||||
TPL_BOOKS = "book.html"
|
||||
TPL_AUTHORS = "author.html"
|
||||
TPL_SERIES = "series.html"
|
||||
TPL_INDEX = "index.html"
|
||||
)
|
||||
|
||||
type Bouquins struct {
|
||||
*template.Template
|
||||
*sql.DB
|
||||
}
|
||||
|
||||
/*
|
||||
@ -129,8 +131,6 @@ func NewIndexModel(title string, count int64) *IndexModel {
|
||||
}
|
||||
}
|
||||
|
||||
// ROUTES //
|
||||
|
||||
func (app *Bouquins) render(res http.ResponseWriter, tpl string, model interface{}) {
|
||||
err := app.Template.ExecuteTemplate(res, tpl, model)
|
||||
if err != nil {
|
||||
@ -138,8 +138,18 @@ func (app *Bouquins) render(res http.ResponseWriter, tpl string, model interface
|
||||
}
|
||||
}
|
||||
|
||||
// ROUTES //
|
||||
|
||||
func (app *Bouquins) IndexPage(res http.ResponseWriter, req *http.Request) {
|
||||
model := NewIndexModel("", 123)
|
||||
count, err := app.BookCount()
|
||||
if err != nil {
|
||||
log.Print(err)
|
||||
}
|
||||
model := NewIndexModel("", count)
|
||||
model.Books, err = app.BooksAdv(0, 0)
|
||||
if err != nil {
|
||||
log.Print(err)
|
||||
}
|
||||
app.render(res, TPL_INDEX, model)
|
||||
}
|
||||
func (app *Bouquins) BooksPage(res http.ResponseWriter, req *http.Request) {
|
||||
|
||||
181
bouquins/db.go
Normal file
181
bouquins/db.go
Normal file
@ -0,0 +1,181 @@
|
||||
package bouquins
|
||||
|
||||
import (
|
||||
"database/sql"
|
||||
)
|
||||
|
||||
const (
|
||||
STMT_PAGE = " LIMIT ? OFFSET ?"
|
||||
STMT_BOOKS0 = `SELECT books.id AS id,title,series_index,name as series_name,series.id AS series_id
|
||||
FROM books LEFT OUTER JOIN books_series_link ON books.id = books_series_link.book
|
||||
LEFT OUTER JOIN series ON series.id = books_series_link.series `
|
||||
STMT_BOOKS_TAGS0 = `SELECT name, books_tags_link.book as book FROM tags, books_tags_link
|
||||
WHERE tags.id = books_tags_link.tag AND books_tags_link.book IN ( SELECT id FROM books `
|
||||
STMT_BOOKS_AUTHORS0 = `SELECT authors.id, authors.name, books_authors_link.book as book
|
||||
FROM authors, books_authors_link WHERE books_authors_link.author = authors.id
|
||||
AND books_authors_link.book IN ( SELECT id FROM books `
|
||||
STMT_WHERE = " WHERE "
|
||||
STMT_SEARCH_TERM = " books.sort like ? "
|
||||
STMT_BOOL_AND = " AND "
|
||||
STMT_BOOL_OR = " OR "
|
||||
STMT_SEARCH_ORDER = " ORDER BY books.sort"
|
||||
|
||||
STMT_BOOKS_COUNT = "SELECT count(id) FROM books"
|
||||
STMT_BOOK = `SELECT books.id AS id,title, series_index, series.name AS series_name, series.id AS series_id,
|
||||
strftime('%s', timestamp), strftime('%Y', pubdate), isbn,lccn,path,uuid,has_cover,
|
||||
languages.lang_code, publishers.name AS pubname FROM books
|
||||
LEFT OUTER JOIN books_languages_link ON books_languages_link.book = books.id
|
||||
LEFT OUTER JOIN languages ON languages.id = books_languages_link.lang_code
|
||||
LEFT OUTER JOIN data ON data.book = books.id
|
||||
LEFT OUTER JOIN books_series_link ON books.id = books_series_link.book
|
||||
LEFT OUTER JOIN series ON series.id = books_series_link.series
|
||||
LEFT OUTER JOIN books_publishers_link ON books.id = books_publishers_link.book
|
||||
LEFT OUTER JOIN publishers ON publishers.id = books_publishers_link.publisher
|
||||
WHERE books.id = ?`
|
||||
STMT_BOOK_TAGS = "SELECT name FROM tags, books_tags_link WHERE tags.id = books_tags_link.tag AND books_tags_link.book = ?"
|
||||
STMT_BOOK_AUTHORS = `SELECT authors.id, authors.name, books_authors_link.book as book
|
||||
FROM authors, books_authors_link WHERE books_authors_link.author = authors.id
|
||||
AND books_authors_link.book = ?`
|
||||
STMT_BOOK_DATA = "SELECT data.name, data.format, data.uncompressed_size FROM data WHERE data.book = ?"
|
||||
STMT_BOOKS_ID_ASC = STMT_BOOKS0 + " ORDER BY id" + STMT_PAGE
|
||||
STMT_BOOKS_ID_DESC = STMT_BOOKS0 + "ORDER BY id DESC" + STMT_PAGE
|
||||
STMT_BOOKS_TITLE_ASC = STMT_BOOKS0 + "ORDER BY books.sort" + STMT_PAGE
|
||||
STMT_BOOKS_TITLE_DESC = STMT_BOOKS0 + "ORDER BY books.sort DESC" + STMT_PAGE
|
||||
STMT_BOOKS_TAGS_ID_ASC = STMT_BOOKS_TAGS0 + "ORDER BY id" + STMT_PAGE + ")"
|
||||
STMT_BOOKS_TAGS_ID_DESC = STMT_BOOKS_TAGS0 + "ORDER BY id DESC" + STMT_PAGE + ")"
|
||||
STMT_BOOKS_TAGS_TITLE_ASC = STMT_BOOKS_TAGS0 + "ORDER BY books.sort" + STMT_PAGE + ")"
|
||||
STMT_BOOKS_TAGS_TITLE_DESC = STMT_BOOKS_TAGS0 + "ORDER BY books.sort DESC" + STMT_PAGE + ")"
|
||||
STMT_BOOKS_AUTHORS_ID_ASC = STMT_BOOKS_AUTHORS0 + "ORDER BY id" + STMT_PAGE + ")"
|
||||
STMT_BOOKS_AUTHORS_ID_DESC = STMT_BOOKS_AUTHORS0 + "ORDER BY id DESC" + STMT_PAGE + ")"
|
||||
STMT_BOOKS_AUTHORS_TITLE_ASC = STMT_BOOKS_AUTHORS0 + "ORDER BY books.sort" + STMT_PAGE + ")"
|
||||
STMT_BOOKS_AUTHORS_TITLE_DESC = STMT_BOOKS_AUTHORS0 + "ORDER BY books.sort DESC" + STMT_PAGE + ")"
|
||||
|
||||
DEF_LIM = 10
|
||||
)
|
||||
|
||||
// MERGE SUB QUERIES //
|
||||
func assignAuthorsTagsBooks(books []*BookAdv, authors map[int64][]*Author, tags map[int64][]string) {
|
||||
for _, b := range books {
|
||||
b.Authors = authors[b.Id]
|
||||
b.Tags = tags[b.Id]
|
||||
}
|
||||
}
|
||||
|
||||
// SUB QUERIES //
|
||||
|
||||
func (app *Bouquins) queryBooks(limit, offset int) ([]*BookAdv, error) {
|
||||
books := make([]*BookAdv, 0, limit)
|
||||
stmt, err := app.DB.Prepare(STMT_BOOKS_ID_ASC)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
rows, err := stmt.Query(limit, offset)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
for rows.Next() {
|
||||
book := new(BookAdv)
|
||||
var series_name sql.NullString
|
||||
var series_id sql.NullInt64
|
||||
if err := rows.Scan(&book.Id, &book.Title, &book.SeriesIndex, &series_name, &series_id); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if series_name.Valid && series_id.Valid {
|
||||
book.Series = &Series{
|
||||
series_id.Int64,
|
||||
series_name.String,
|
||||
}
|
||||
}
|
||||
books = append(books, book)
|
||||
}
|
||||
if err := rows.Err(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return books, nil
|
||||
}
|
||||
|
||||
func (app *Bouquins) queryBooksAuthors(limit, offset int) (map[int64][]*Author, error) {
|
||||
authors := make(map[int64][]*Author)
|
||||
stmt, err := app.DB.Prepare(STMT_BOOKS_AUTHORS_ID_ASC)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
rows, err := stmt.Query(limit, offset)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
for rows.Next() {
|
||||
author := new(Author)
|
||||
var book int64
|
||||
if err := rows.Scan(&author.Id, &author.Name, &book); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if authors[book] == nil {
|
||||
authors[book] = append(make([]*Author, 0), author)
|
||||
} else {
|
||||
authors[book] = append(authors[book], author)
|
||||
}
|
||||
}
|
||||
if err := rows.Err(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return authors, nil
|
||||
}
|
||||
|
||||
func (app *Bouquins) queryBooksTags(limit, offset int) (map[int64][]string, error) {
|
||||
tags := make(map[int64][]string)
|
||||
stmt, err := app.DB.Prepare(STMT_BOOKS_TAGS_ID_ASC)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
rows, err := stmt.Query(limit, offset)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
for rows.Next() {
|
||||
var tag string
|
||||
var book int64
|
||||
if err := rows.Scan(&tag, &book); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
bookTags := tags[book]
|
||||
if bookTags == nil {
|
||||
bookTags = make([]string, 1)
|
||||
tags[book] = bookTags
|
||||
}
|
||||
tags[book] = append(bookTags, tag)
|
||||
}
|
||||
if err := rows.Err(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return tags, nil
|
||||
}
|
||||
|
||||
// DB LOADS //
|
||||
|
||||
func (app *Bouquins) BookCount() (int64, error) {
|
||||
var count int64
|
||||
row := app.DB.QueryRow(STMT_BOOKS_COUNT)
|
||||
err := row.Scan(&count)
|
||||
return count, err
|
||||
}
|
||||
|
||||
func (app *Bouquins) BooksAdv(limit int, offset int) ([]*BookAdv, error) {
|
||||
if limit == 0 {
|
||||
limit = DEF_LIM
|
||||
}
|
||||
books, err := app.queryBooks(limit, offset)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
authors, err := app.queryBooksAuthors(limit, offset)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
tags, err := app.queryBooksTags(limit, offset)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
assignAuthorsTagsBooks(books, authors, tags)
|
||||
return books, nil
|
||||
}
|
||||
10
main.go
10
main.go
@ -1,6 +1,8 @@
|
||||
package main
|
||||
|
||||
import (
|
||||
"database/sql"
|
||||
_ "github.com/mattn/go-sqlite3"
|
||||
"html/template"
|
||||
"log"
|
||||
"net/http"
|
||||
@ -18,13 +20,20 @@ const (
|
||||
FONTS = "/fonts/"
|
||||
)
|
||||
|
||||
var db *sql.DB
|
||||
|
||||
func init() {
|
||||
tpl, err := template.ParseGlob("templates/*.html")
|
||||
if err != nil {
|
||||
log.Fatalln(err)
|
||||
}
|
||||
db, err = sql.Open("sqlite3", "calibre.db")
|
||||
if err != nil {
|
||||
log.Fatalln(err)
|
||||
}
|
||||
app := &bouquins.Bouquins{
|
||||
tpl,
|
||||
db,
|
||||
}
|
||||
assets()
|
||||
router(app)
|
||||
@ -44,5 +53,6 @@ func router(app *bouquins.Bouquins) {
|
||||
}
|
||||
|
||||
func main() {
|
||||
defer db.Close()
|
||||
http.ListenAndServe(":9000", nil)
|
||||
}
|
||||
|
||||
@ -36,7 +36,7 @@
|
||||
<td>
|
||||
{{ range .Authors }}
|
||||
<span class="glyphicon glyphicon-user"></span>
|
||||
<a :href="/authors?id={{ .Id }}">{{ .Name }}</a>
|
||||
<a href="/authors?id={{ .Id }}">{{ .Name }}</a>
|
||||
{{ end }}
|
||||
</td>
|
||||
{{ end }}
|
||||
@ -55,13 +55,13 @@
|
||||
<tr v-for="author in authors">
|
||||
<td>
|
||||
<span class="glyphicon glyphicon-user"></span>
|
||||
<a :href="'author.html?id='+author.id">{{ .Author.Name }}</a>
|
||||
<a href="'author.html?id='+author.id">{{ .Author.Name }}</a>
|
||||
</td>
|
||||
<td>{{ .Author.Count }}</td>
|
||||
</tr>
|
||||
</table>
|
||||
{{ end }}
|
||||
{{ if .Books }}
|
||||
{{ if ne (len .Books) 0 }}
|
||||
<table class="table table-striped">
|
||||
<tr>
|
||||
<th>
|
||||
@ -71,23 +71,25 @@
|
||||
<th>Auteur(s)</th>
|
||||
<th>Serie</th>
|
||||
</tr>
|
||||
<tr v-for="book in books">
|
||||
{{ range .Books }}
|
||||
<tr>
|
||||
<td><span class="glyphicon glyphicon-book"></span>
|
||||
<a :href="'book.html?id='+book.id">{{ .Book.Title }}</a></td>
|
||||
<a href="/books?id={{ .Id }}">{{ .Title }}</a></td>
|
||||
<td>
|
||||
<template v-for="author in book.authors">
|
||||
{{ range .Authors }}
|
||||
<span class="glyphicon glyphicon-user"></span>
|
||||
<a :href="'author.html?id='+author.id">{{ .Author.Name }}</a>
|
||||
</template>
|
||||
<a href="/authors?id={{ .Id }}">{{ .Name }}</a>
|
||||
{{ end }}
|
||||
</td>
|
||||
<td>
|
||||
<template v-if="book.series">
|
||||
<span class="glyphicon glyphicon-list"></span>
|
||||
<a :href="'series.html?id='+book.series.id">{{ .Book.Series.Name }}</a>
|
||||
<span class="badge">{{/* .Book.Series ? Book.Series.Idx : '' */}}</span>
|
||||
</template>
|
||||
{{ if .Series }}
|
||||
<span class="glyphicon glyphicon-list"></span>
|
||||
<a href="/series?id={{ .Series.Id }}">{{ .Series.Name }}</a>
|
||||
<span class="badge">{{ .Book.SeriesIndex }}</span>
|
||||
{{ end }}
|
||||
</td>
|
||||
</tr>
|
||||
{{ end }}
|
||||
</table>
|
||||
{{ end }}
|
||||
{{ if (ne (len .Books) 0) or (ne (len .Authors) 0) or (ne (len .Series) 0) }}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user