First commit

model/entry.go

@@ -0,0 +1,71 @@
+// 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 model
+
+import (
+	"fmt"
+	"time"
+)
+
+const (
+	EntryStatusUnread       = "unread"
+	EntryStatusRead         = "read"
+	EntryStatusRemoved      = "removed"
+	DefaultSortingOrder     = "published_at"
+	DefaultSortingDirection = "desc"
+)
+
+type Entry struct {
+	ID         int64         `json:"id"`
+	UserID     int64         `json:"user_id"`
+	FeedID     int64         `json:"feed_id"`
+	Status     string        `json:"status"`
+	Hash       string        `json:"hash"`
+	Title      string        `json:"title"`
+	URL        string        `json:"url"`
+	Date       time.Time     `json:"published_at"`
+	Content    string        `json:"content"`
+	Author     string        `json:"author"`
+	Enclosures EnclosureList `json:"enclosures,omitempty"`
+	Feed       *Feed         `json:"feed,omitempty"`
+	Category   *Category     `json:"category,omitempty"`
+}
+
+type Entries []*Entry
+
+func ValidateEntryStatus(status string) error {
+	switch status {
+	case EntryStatusRead, EntryStatusUnread, EntryStatusRemoved:
+		return nil
+	}
+
+	return fmt.Errorf(`Invalid entry status, valid status values are: "%s", "%s" and "%s"`, EntryStatusRead, EntryStatusUnread, EntryStatusRemoved)
+}
+
+func ValidateEntryOrder(order string) error {
+	switch order {
+	case "id", "status", "published_at", "category_title", "category_id":
+		return nil
+	}
+
+	return fmt.Errorf(`Invalid entry order, valid order values are: "id", "status", "published_at", "category_title", "category_id"`)
+}
+
+func ValidateDirection(direction string) error {
+	switch direction {
+	case "asc", "desc":
+		return nil
+	}
+
+	return fmt.Errorf(`Invalid direction, valid direction values are: "asc" or "desc"`)
+}
+
+func GetOppositeDirection(direction string) string {
+	if direction == "asc" {
+		return "desc"
+	}
+
+	return "asc"
+}