First commit

storage/entry.go

@@ -0,0 +1,124 @@
+// 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 (
+	"errors"
+	"fmt"
+	"github.com/miniflux/miniflux2/helper"
+	"github.com/miniflux/miniflux2/model"
+	"time"
+
+	"github.com/lib/pq"
+)
+
+func (s *Storage) GetEntryQueryBuilder(userID int64, timezone string) *EntryQueryBuilder {
+	return NewEntryQueryBuilder(s, userID, timezone)
+}
+
+func (s *Storage) CreateEntry(entry *model.Entry) error {
+	query := `
+		INSERT INTO entries
+		(title, hash, url, published_at, content, author, user_id, feed_id)
+		VALUES
+		($1, $2, $3, $4, $5, $6, $7, $8)
+		RETURNING id
+	`
+	err := s.db.QueryRow(
+		query,
+		entry.Title,
+		entry.Hash,
+		entry.URL,
+		entry.Date,
+		entry.Content,
+		entry.Author,
+		entry.UserID,
+		entry.FeedID,
+	).Scan(&entry.ID)
+
+	if err != nil {
+		return fmt.Errorf("Unable to create entry: %v", err)
+	}
+
+	entry.Status = "unread"
+	for i := 0; i < len(entry.Enclosures); i++ {
+		entry.Enclosures[i].EntryID = entry.ID
+		entry.Enclosures[i].UserID = entry.UserID
+		err := s.CreateEnclosure(entry.Enclosures[i])
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *Storage) UpdateEntry(entry *model.Entry) error {
+	query := `
+		UPDATE entries SET
+		title=$1, url=$2, published_at=$3, content=$4, author=$5
+		WHERE user_id=$6 AND feed_id=$7 AND hash=$8
+	`
+	_, err := s.db.Exec(
+		query,
+		entry.Title,
+		entry.URL,
+		entry.Date,
+		entry.Content,
+		entry.Author,
+		entry.UserID,
+		entry.FeedID,
+		entry.Hash,
+	)
+
+	return err
+}
+
+func (s *Storage) EntryExists(entry *model.Entry) bool {
+	var result int
+	query := `SELECT count(*) as c FROM entries WHERE user_id=$1 AND feed_id=$2 AND hash=$3`
+	s.db.QueryRow(query, entry.UserID, entry.FeedID, entry.Hash).Scan(&result)
+	return result >= 1
+}
+
+func (s *Storage) UpdateEntries(userID, feedID int64, entries model.Entries) (err error) {
+	for _, entry := range entries {
+		entry.UserID = userID
+		entry.FeedID = feedID
+
+		if s.EntryExists(entry) {
+			err = s.UpdateEntry(entry)
+		} else {
+			err = s.CreateEntry(entry)
+		}
+
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func (s *Storage) SetEntriesStatus(userID int64, entryIDs []int64, status string) error {
+	defer helper.ExecutionTime(time.Now(), fmt.Sprintf("[Storage:SetEntriesStatus] userID=%d, entryIDs=%v, status=%s", userID, entryIDs, status))
+
+	query := `UPDATE entries SET status=$1 WHERE user_id=$2 AND id=ANY($3)`
+	result, err := s.db.Exec(query, status, userID, pq.Array(entryIDs))
+	if err != nil {
+		return fmt.Errorf("Unable to update entry status: %v", err)
+	}
+
+	count, err := result.RowsAffected()
+	if err != nil {
+		return fmt.Errorf("Unable to update this entry: %v", err)
+	}
+
+	if count == 0 {
+		return errors.New("Nothing has been updated")
+	}
+
+	return nil
+}