fastpastebin/pastes/queries.go

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// Fast Paste Bin - uberfast and easy-to-use pastebin.
//
// Copyright (c) 2018, Stanislav N. aka pztrn and Fast Paste Bin
// developers.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject
// to the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
// OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package pastes
const (
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// Pagination. Hardcoded for 10 for now.
PAGINATION = 10
)
// GetByID returns a single paste by ID.
func GetByID(id int) (*Paste, error) {
p := &Paste{}
dbConn := c.Database.GetDatabaseConnection()
err := dbConn.Get(p, dbConn.Rebind("SELECT * FROM `pastes` WHERE id=?"), id)
if err != nil {
return nil, err
}
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// Lets go with checking.
return p, nil
}
// GetPagedPastes returns a paged slice of pastes.
func GetPagedPastes(page int) ([]Paste, error) {
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var pastesRaw []Paste
var pastes []Paste
dbConn := c.Database.GetDatabaseConnection()
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// Pagination - 10 pastes on page.
var startPagination = 0
if page > 1 {
startPagination = (page - 1) * PAGINATION
}
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err := dbConn.Select(&pastesRaw, dbConn.Rebind("SELECT * FROM `pastes` WHERE private != true ORDER BY id DESC LIMIT ? OFFSET ?"), PAGINATION, startPagination)
if err != nil {
return nil, err
}
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for i := range pastesRaw {
if !pastesRaw[i].IsExpired() {
pastes = append(pastes, pastesRaw[i])
}
}
return pastes, nil
}
// GetPastesPages returns an integer that represents quantity of pages
// that can be requested (or drawn in paginator).
func GetPastesPages() int {
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var pastesRaw []Paste
var pastes []Paste
dbConn := c.Database.GetDatabaseConnection()
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err := dbConn.Get(&pastesRaw, "SELECT * FROM `pastes` WHERE private != true")
if err != nil {
return 1
}
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// Check if pastes isn't expired.
for i := range pastesRaw {
if !pastesRaw[i].IsExpired() {
pastes = append(pastes, pastesRaw[i])
}
}
// Calculate pages.
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pages := len(pastes) / PAGINATION
// Check if we have any remainder. Add 1 to pages count if so.
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if len(pastes)%PAGINATION > 0 {
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pages++
}
return pages
}
// Save saves paste to database and returns it's ID.
func Save(p *Paste) (int64, error) {
dbConn := c.Database.GetDatabaseConnection()
result, err := dbConn.NamedExec("INSERT INTO `pastes` (title, data, created_at, keep_for, keep_for_unit_type, language, private) VALUES (:title, :data, :created_at, :keep_for, :keep_for_unit_type, :language, :private)", p)
if err != nil {
return 0, err
}
ID, err1 := result.LastInsertId()
if err1 != nil {
return 0, err
}
return ID, nil
}