move packages to src

src/storage/storage.go

@@ -0,0 +1,103 @@
+package storage
+
+import (
+	"database/sql"
+	_ "github.com/mattn/go-sqlite3"
+	"log"
+	"os"
+)
+
+var initQuery string = `
+create table if not exists folders (
+ id             integer primary key autoincrement,
+ title          text not null,
+ is_expanded    boolean not null default false
+);
+
+create unique index if not exists idx_folder_title on folders(title);
+
+create table if not exists feeds (
+ id             integer primary key autoincrement,
+ folder_id      references folders(id),
+ title          text not null,
+ description    text,
+ link           text,
+ feed_link      text not null,
+ icon           blob
+);
+
+create index if not exists idx_feed_folder_id on feeds(folder_id);
+create unique index if not exists idx_feed_feed_link on feeds(feed_link);
+
+create table if not exists items (
+ id             integer primary key autoincrement,
+ guid           string not null,
+ feed_id        references feeds(id),
+ title          text,
+ link           text,
+ description    text,
+ content        text,
+ author         text,
+ date           datetime,
+ date_updated   datetime,
+ date_arrived   datetime,
+ status         integer,
+ image          text,
+ search_rowid   integer
+);
+
+create index if not exists idx_item_feed_id on items(feed_id);
+create index if not exists idx_item_status  on items(status);
+create index if not exists idx_item_search_rowid on items(search_rowid);
+create unique index if not exists idx_item_guid on items(feed_id, guid);
+
+create table if not exists settings (
+ key            string primary key,
+ val            blob
+);
+
+create virtual table if not exists search using fts4(title, description, content);
+
+create trigger if not exists del_item_search after delete on items begin
+  delete from search where rowid = old.search_rowid;
+end;
+
+create table if not exists http_states (
+ feed_id        references feeds(id) unique,
+ last_refreshed datetime not null,
+
+ -- http header fields --
+ last_modified  string not null,
+ etag           string not null
+);
+
+create table if not exists feed_errors (
+ feed_id        references feeds(id) unique,
+ error          string
+);
+`
+
+type Storage struct {
+	db  *sql.DB
+	log *log.Logger
+}
+
+func New(path string, logger *log.Logger) (*Storage, error) {
+	if _, err := os.Stat(path); err != nil {
+		if !os.IsNotExist(err) {
+			return nil, err
+		}
+	}
+
+	db, err := sql.Open("sqlite3", path)
+	if err != nil {
+		return nil, err
+	}
+
+	db.SetMaxOpenConns(1)
+
+	if _, err := db.Exec(initQuery); err != nil {
+		return nil, err
+	}
+	return &Storage{db: db, log: logger}, nil
+}