273 lines
6.9 KiB
Go
273 lines
6.9 KiB
Go
// Copyright 2017 Frédéric Guillot. All rights reserved.
|
|
// Use of this source code is governed by the Apache 2.0
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package storage
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/miniflux/miniflux2/helper"
|
|
"github.com/miniflux/miniflux2/model"
|
|
)
|
|
|
|
// EntryQueryBuilder builds a SQL query to fetch entries.
|
|
type EntryQueryBuilder struct {
|
|
store *Storage
|
|
feedID int64
|
|
userID int64
|
|
timezone string
|
|
categoryID int64
|
|
status string
|
|
notStatus string
|
|
order string
|
|
direction string
|
|
limit int
|
|
offset int
|
|
entryID int64
|
|
conditions []string
|
|
args []interface{}
|
|
}
|
|
|
|
// WithCondition defines a new condition.
|
|
func (e *EntryQueryBuilder) WithCondition(column, operator string, value interface{}) *EntryQueryBuilder {
|
|
e.args = append(e.args, value)
|
|
e.conditions = append(e.conditions, fmt.Sprintf("%s %s $%d", column, operator, len(e.args)+1))
|
|
return e
|
|
}
|
|
|
|
// WithEntryID set the entryID.
|
|
func (e *EntryQueryBuilder) WithEntryID(entryID int64) *EntryQueryBuilder {
|
|
e.entryID = entryID
|
|
return e
|
|
}
|
|
|
|
// WithFeedID set the feedID.
|
|
func (e *EntryQueryBuilder) WithFeedID(feedID int64) *EntryQueryBuilder {
|
|
e.feedID = feedID
|
|
return e
|
|
}
|
|
|
|
// WithCategoryID set the categoryID.
|
|
func (e *EntryQueryBuilder) WithCategoryID(categoryID int64) *EntryQueryBuilder {
|
|
e.categoryID = categoryID
|
|
return e
|
|
}
|
|
|
|
// WithStatus set the entry status.
|
|
func (e *EntryQueryBuilder) WithStatus(status string) *EntryQueryBuilder {
|
|
e.status = status
|
|
return e
|
|
}
|
|
|
|
// WithoutStatus set the entry status that should not be returned.
|
|
func (e *EntryQueryBuilder) WithoutStatus(status string) *EntryQueryBuilder {
|
|
e.notStatus = status
|
|
return e
|
|
}
|
|
|
|
// WithOrder set the sorting order.
|
|
func (e *EntryQueryBuilder) WithOrder(order string) *EntryQueryBuilder {
|
|
e.order = order
|
|
return e
|
|
}
|
|
|
|
// WithDirection set the sorting direction.
|
|
func (e *EntryQueryBuilder) WithDirection(direction string) *EntryQueryBuilder {
|
|
e.direction = direction
|
|
return e
|
|
}
|
|
|
|
// WithLimit set the limit.
|
|
func (e *EntryQueryBuilder) WithLimit(limit int) *EntryQueryBuilder {
|
|
e.limit = limit
|
|
return e
|
|
}
|
|
|
|
// WithOffset set the offset.
|
|
func (e *EntryQueryBuilder) WithOffset(offset int) *EntryQueryBuilder {
|
|
e.offset = offset
|
|
return e
|
|
}
|
|
|
|
// CountEntries count the number of entries that match the condition.
|
|
func (e *EntryQueryBuilder) CountEntries() (count int, err error) {
|
|
defer helper.ExecutionTime(
|
|
time.Now(),
|
|
fmt.Sprintf("[EntryQueryBuilder:CountEntries] userID=%d, feedID=%d, status=%s", e.userID, e.feedID, e.status),
|
|
)
|
|
|
|
query := `SELECT count(*) FROM entries e LEFT JOIN feeds f ON f.id=e.feed_id WHERE %s`
|
|
args, condition := e.buildCondition()
|
|
err = e.store.db.QueryRow(fmt.Sprintf(query, condition), args...).Scan(&count)
|
|
if err != nil {
|
|
return 0, fmt.Errorf("unable to count entries: %v", err)
|
|
}
|
|
|
|
return count, nil
|
|
}
|
|
|
|
// GetEntry returns a single entry that match the condition.
|
|
func (e *EntryQueryBuilder) GetEntry() (*model.Entry, error) {
|
|
e.limit = 1
|
|
entries, err := e.GetEntries()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if len(entries) != 1 {
|
|
return nil, nil
|
|
}
|
|
|
|
entries[0].Enclosures, err = e.store.GetEnclosures(entries[0].ID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return entries[0], nil
|
|
}
|
|
|
|
// GetEntries returns a list of entries that match the condition.
|
|
func (e *EntryQueryBuilder) GetEntries() (model.Entries, error) {
|
|
debugStr := "[EntryQueryBuilder:GetEntries] userID=%d, feedID=%d, categoryID=%d, status=%s, order=%s, direction=%s, offset=%d, limit=%d"
|
|
defer helper.ExecutionTime(time.Now(), fmt.Sprintf(debugStr, e.userID, e.feedID, e.categoryID, e.status, e.order, e.direction, e.offset, e.limit))
|
|
|
|
query := `
|
|
SELECT
|
|
e.id, e.user_id, e.feed_id, e.hash, e.published_at at time zone '%s', e.title, e.url, e.author, e.content, e.status,
|
|
f.title as feed_title, f.feed_url, f.site_url, f.checked_at,
|
|
f.category_id, c.title as category_title,
|
|
fi.icon_id
|
|
FROM entries e
|
|
LEFT JOIN feeds f ON f.id=e.feed_id
|
|
LEFT JOIN categories c ON c.id=f.category_id
|
|
LEFT JOIN feed_icons fi ON fi.feed_id=f.id
|
|
WHERE %s %s
|
|
`
|
|
|
|
args, conditions := e.buildCondition()
|
|
query = fmt.Sprintf(query, e.timezone, conditions, e.buildSorting())
|
|
// log.Println(query)
|
|
|
|
rows, err := e.store.db.Query(query, args...)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("unable to get entries: %v", err)
|
|
}
|
|
defer rows.Close()
|
|
|
|
entries := make(model.Entries, 0)
|
|
for rows.Next() {
|
|
var entry model.Entry
|
|
var iconID interface{}
|
|
|
|
entry.Feed = &model.Feed{UserID: e.userID}
|
|
entry.Feed.Category = &model.Category{UserID: e.userID}
|
|
entry.Feed.Icon = &model.FeedIcon{}
|
|
|
|
err := rows.Scan(
|
|
&entry.ID,
|
|
&entry.UserID,
|
|
&entry.FeedID,
|
|
&entry.Hash,
|
|
&entry.Date,
|
|
&entry.Title,
|
|
&entry.URL,
|
|
&entry.Author,
|
|
&entry.Content,
|
|
&entry.Status,
|
|
&entry.Feed.Title,
|
|
&entry.Feed.FeedURL,
|
|
&entry.Feed.SiteURL,
|
|
&entry.Feed.CheckedAt,
|
|
&entry.Feed.Category.ID,
|
|
&entry.Feed.Category.Title,
|
|
&iconID,
|
|
)
|
|
|
|
if err != nil {
|
|
return nil, fmt.Errorf("Unable to fetch entry row: %v", err)
|
|
}
|
|
|
|
if iconID == nil {
|
|
entry.Feed.Icon.IconID = 0
|
|
} else {
|
|
entry.Feed.Icon.IconID = iconID.(int64)
|
|
}
|
|
|
|
entry.Feed.ID = entry.FeedID
|
|
entry.Feed.Icon.FeedID = entry.FeedID
|
|
entries = append(entries, &entry)
|
|
}
|
|
|
|
return entries, nil
|
|
}
|
|
|
|
func (e *EntryQueryBuilder) buildCondition() ([]interface{}, string) {
|
|
args := []interface{}{e.userID}
|
|
conditions := []string{"e.user_id = $1"}
|
|
|
|
if len(e.conditions) > 0 {
|
|
conditions = append(conditions, e.conditions...)
|
|
args = append(args, e.args...)
|
|
}
|
|
|
|
if e.categoryID != 0 {
|
|
conditions = append(conditions, fmt.Sprintf("f.category_id=$%d", len(args)+1))
|
|
args = append(args, e.categoryID)
|
|
}
|
|
|
|
if e.feedID != 0 {
|
|
conditions = append(conditions, fmt.Sprintf("e.feed_id=$%d", len(args)+1))
|
|
args = append(args, e.feedID)
|
|
}
|
|
|
|
if e.entryID != 0 {
|
|
conditions = append(conditions, fmt.Sprintf("e.id=$%d", len(args)+1))
|
|
args = append(args, e.entryID)
|
|
}
|
|
|
|
if e.status != "" {
|
|
conditions = append(conditions, fmt.Sprintf("e.status=$%d", len(args)+1))
|
|
args = append(args, e.status)
|
|
}
|
|
|
|
if e.notStatus != "" {
|
|
conditions = append(conditions, fmt.Sprintf("e.status != $%d", len(args)+1))
|
|
args = append(args, e.notStatus)
|
|
}
|
|
|
|
return args, strings.Join(conditions, " AND ")
|
|
}
|
|
|
|
func (e *EntryQueryBuilder) buildSorting() string {
|
|
var queries []string
|
|
|
|
if e.order != "" {
|
|
queries = append(queries, fmt.Sprintf(`ORDER BY "%s"`, e.order))
|
|
}
|
|
|
|
if e.direction != "" {
|
|
queries = append(queries, fmt.Sprintf(`%s`, e.direction))
|
|
}
|
|
|
|
if e.limit != 0 {
|
|
queries = append(queries, fmt.Sprintf(`LIMIT %d`, e.limit))
|
|
}
|
|
|
|
if e.offset != 0 {
|
|
queries = append(queries, fmt.Sprintf(`OFFSET %d`, e.offset))
|
|
}
|
|
|
|
return strings.Join(queries, " ")
|
|
}
|
|
|
|
// NewEntryQueryBuilder returns a new EntryQueryBuilder.
|
|
func NewEntryQueryBuilder(store *Storage, userID int64, timezone string) *EntryQueryBuilder {
|
|
return &EntryQueryBuilder{
|
|
store: store,
|
|
userID: userID,
|
|
timezone: timezone,
|
|
}
|
|
}
|