AnthoLume/api/opds-routes.go

114 lines
2.8 KiB
Go

package api
import (
"fmt"
"net/http"
"strings"
"time"
"github.com/gin-gonic/gin"
log "github.com/sirupsen/logrus"
"reichard.io/bbank/database"
"reichard.io/bbank/opds"
)
var mimeMapping map[string]string = map[string]string{
"epub": "application/epub+zip",
"azw": "application/vnd.amazon.mobi8-ebook",
"mobi": "application/x-mobipocket-ebook",
"pdf": "application/pdf",
"zip": "application/zip",
"txt": "text/plain",
"rtf": "application/rtf",
"htm": "text/html",
"html": "text/html",
"doc": "application/msword",
"lit": "application/x-ms-reader",
}
func (api *API) opdsDocuments(c *gin.Context) {
var userID string
if rUser, _ := c.Get("AuthorizedUser"); rUser != nil {
userID = rUser.(string)
}
// Potential URL Parameters
qParams := bindQueryParams(c)
// Get Documents
documents, err := api.DB.Queries.GetDocumentsWithStats(api.DB.Ctx, database.GetDocumentsWithStatsParams{
UserID: userID,
Offset: (*qParams.Page - 1) * *qParams.Limit,
Limit: *qParams.Limit,
})
if err != nil {
log.Error("[opdsDocuments] GetDocumentsWithStats DB Error:", err)
c.AbortWithStatus(http.StatusBadRequest)
return
}
// Build OPDS Entries
var allEntries []opds.Entry
for _, doc := range documents {
// Require File
if doc.Filepath != nil {
splitFilepath := strings.Split(*doc.Filepath, ".")
fileType := splitFilepath[len(splitFilepath)-1]
item := opds.Entry{
Title: fmt.Sprintf("[%3d%%] %s", int(doc.Percentage), *doc.Title),
Author: []opds.Author{
{
Name: *doc.Author,
},
},
Content: &opds.Content{
Content: *doc.Description,
ContentType: "text",
},
Links: []opds.Link{
{
Rel: "http://opds-spec.org/acquisition",
Href: fmt.Sprintf("./documents/%s/file", doc.ID),
TypeLink: mimeMapping[fileType],
},
{
Rel: "http://opds-spec.org/image",
Href: fmt.Sprintf("./documents/%s/cover", doc.ID),
TypeLink: "image/jpeg",
},
},
}
allEntries = append(allEntries, item)
}
}
// Build & Return XML
searchFeed := &opds.Feed{
Title: "All Documents",
Updated: time.Now().UTC(),
// TODO
// Links: []opds.Link{
// {
// Title: "Search AnthoLume",
// Rel: "search",
// TypeLink: "application/opensearchdescription+xml",
// Href: "search.xml",
// },
// },
Entries: allEntries,
}
c.XML(http.StatusOK, searchFeed)
}
func (api *API) opdsSearchDescription(c *gin.Context) {
rawXML := `<OpenSearchDescription xmlns="http://a9.com/-/spec/opensearch/1.1/">
<ShortName>Search AnthoLume</ShortName>
<Description>Search AnthoLume</Description>
<Url type="application/atom+xml;profile=opds-catalog;kind=acquisition" template="./search?query={searchTerms}"/>
</OpenSearchDescription>`
c.Data(http.StatusOK, "application/xml", []byte(rawXML))
}