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Basic sqlite Implementation

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This commit is contained in:
Evan Reichard
2021-01-04 00:16:58 -05:00
parent 944a3163e9
commit e8003f15d7
12 changed files with 192 additions and 56 deletions
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db/imagini.db Normal file
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db/schemas/sqlite-create.sql Normal file
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CREATE TABLE IF NOT EXISTS [ServerSettings] (
[settingID] INTEGER PRIMARY KEY,
[name] TEXT NOT NULL,
[description] TEXT NOT NULL,
[value] TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS [Users] (
[userID] INTEGER PRIMARY KEY,
[name] TEXT NOT NULL,
[email] TEXT,
[authType] TEXT NOT NULL,
[salt] TEXT,
[hashedPWSalt] TEXT
);
CREATE TABLE IF NOT EXISTS [MediaItems] (
[mediaID] INTEGER PRIMARY KEY,
[userID] INTEGER NOT NULL,
[EXIFDate] TEXT NOT NULL,
[uploadDate] TEXT NOT NULL,
[latitude] TEXT,
[longitude] TEXT,
[mediaType] INTEGER, /* 0 = Photo, 1 = Video */
[relPath] TEXT NOT NULL,
FOREIGN KEY (userID) REFERENCES Users(userID)
);
CREATE TABLE IF NOT EXISTS [Tags] (
[tagID] INTEGER PRIMARY KEY,
[name] TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS [MediaTags] (
[mediaID] INTEGER NOT NULL,
[tagID] INTEGER NOT NULL,
FOREIGN KEY (mediaID) REFERENCES MediaItems(mediaID)
FOREIGN KEY (tagID) REFERENCES Tags(tagID)
);
CREATE TABLE IF NOT EXISTS [Albums] (
[albumID] INTEGER PRIMARY KEY,
[userID] INTEGER NOT NULL,
[name] TEXT NOT NULL,
FOREIGN KEY (userID) REFERENCES Users(userID)
);
CREATE TABLE IF NOT EXISTS [MediaAlbums] (
[mediaID] INTEGER NOT NULL,
[albumID] INTEGER NOT NULL,
FOREIGN KEY (mediaID) REFERENCES MediaItems(mediaID)
FOREIGN KEY (albumID) REFERENCES Albums(albumID)
);

23
db/schemas/sqlite-testdata.sql Normal file
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INSERT INTO Users (name, email, authType, salt, hashedPWSalt) VALUES ("Evan", "evan@reichard.io", "Local", "1234", "1234");
INSERT INTO Users (name, email, authType, salt, hashedPWSalt) VALUES ("James", "james@example.com", "Local", "1234", "1234");
INSERT INTO Users (name, email, authType, salt, hashedPWSalt) VALUES ("Bill", "bill@example.com", "Local", "1234", "1234");
INSERT INTO MediaItems (userID, EXIFDate, uploadDate, latitude, longitude, mediaType, relPath) VALUES (1, "2012-03-29T10:05:45-06:00", "2012-03-29T10:05:45-06:00", "38.94141753254032", "-77.45238664604386", 0, "/image1.jpg");
INSERT INTO MediaItems (userID, EXIFDate, uploadDate, latitude, longitude, mediaType, relPath) VALUES (2, "2013-03-29T10:05:45-06:00", "2013-03-29T10:05:45-06:00", "38.94141753254032", "-77.45238664604386", 0, "/image2.jpg");
INSERT INTO MediaItems (userID, EXIFDate, uploadDate, latitude, longitude, mediaType, relPath) VALUES (3, "2014-03-29T10:05:45-06:00", "2014-03-29T10:05:45-06:00", "38.94141753254032", "-77.45238664604386", 0, "/image3.jpg");
INSERT INTO Tags (name) VALUES ("cars");
INSERT INTO Tags (name) VALUES ("dogs");
INSERT INTO Tags (name) VALUES ("places");
INSERT INTO Albums (userID, name) VALUES (1, "My Favorite Things");
INSERT INTO Albums (userID, name) VALUES (2, "Trip 2020");
INSERT INTO Albums (userID, name) VALUES (3, "Corona 2020");
INSERT INTO MediaTags (mediaID, tagID) VALUES (1, 3);
INSERT INTO MediaTags (mediaID, tagID) VALUES (2, 2);
INSERT INTO MediaTags (mediaID, tagID) VALUES (3, 1);
INSERT INTO MediaAlbums (mediaID, albumID) VALUES (1, 3);
INSERT INTO MediaAlbums (mediaID, albumID) VALUES (2, 2);
INSERT INTO MediaAlbums (mediaID, albumID) VALUES (3, 1);

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db/sqlite.go Normal file
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package db
import (
"database/sql"
"log"
_ "github.com/mattn/go-sqlite3"
)
type MediaItem struct {
mediaID int
userID int
EXIFDate string
uploadDate string
latitude string
longitude string
mediaType int
relPath string
}
func init() {
// Initialize DB
}
func ItemsFromAlbum(userID int, albumID int) []MediaItem {
database, _ := sql.Open("sqlite3", "./db/imagini.db")
rows, _ := database.Query(`
SELECT
MediaItems.*
FROM
MediaAlbums
INNER JOIN MediaItems ON MediaAlbums.mediaID = MediaItems.mediaID
WHERE MediaAlbums.albumID = ? AND MediaItems.userID = ?`, albumID, userID)
var matchingMediaItems []MediaItem
var mi MediaItem
for rows.Next() {
err := rows.Scan(&mi.mediaID, &mi.userID, &mi.EXIFDate, &mi.uploadDate, &mi.latitude, &mi.longitude, &mi.mediaType, &mi.relPath)
if err != nil {
log.Fatal(err)
}
matchingMediaItems = append(matchingMediaItems, mi)
}
rows.Close()
return matchingMediaItems
}
func ItemsFromTags(userID int, tagID int) []MediaItem {
database, _ := sql.Open("sqlite3", "./db/imagini.db")
rows, _ := database.Query(`
SELECT
MediaItems.*
FROM
MediaTags
INNER JOIN MediaItems ON MediaTags.mediaID = MediaItems.mediaID
WHERE MediaTags.tagID = ? AND MediaItems.userID = ?`, tagID, userID)
var matchingMediaItems []MediaItem
var mi MediaItem
for rows.Next() {
err := rows.Scan(&mi.mediaID, &mi.userID, &mi.EXIFDate, &mi.uploadDate, &mi.latitude, &mi.longitude, &mi.mediaType, &mi.relPath)
if err != nil {
log.Fatal(err)
}
matchingMediaItems = append(matchingMediaItems, mi)
}
rows.Close()
return matchingMediaItems
}
func IndexMediaItems(newItems []MediaItem) {
database, _ := sql.Open("sqlite3", "./db/imagini.db")
statement, _ := database.Prepare(`
INSERT INTO MediaItems (
userID,
EXIFDate
uploadDate,
latitude,
longitude,
mediaType,
relPath
) VALUES (?, ?, ?, ?, ?, ?, ?, ?)`)
for _, s := range newItems {
statement.Exec(
&s.userID,
&s.EXIFDate,
&s.uploadDate,
&s.latitude,
&s.longitude,
&s.mediaType,
&s.relPath,
)
}
database.Close()
}

53
db/sqlite.sql
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CREATE TABLE IF NOT EXISTS [ServerSettings] (
[SettingID] INTEGER PRIMARY KEY,
[Name] TEXT NOT NULL,
[Description] TEXT NOT NULL,
[Value] TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS [Users] (
[UserID] INTEGER PRIMARY KEY,
[Name] TEXT NOT NULL,
[Email] TEXT,
[AuthType] TEXT NOT NULL,
[Salt] TEXT,
[HashedPWSalt] TEXT
);
CREATE TABLE IF NOT EXISTS [Items] (
[ItemID] INTEGER PRIMARY KEY,
[UserID] INTEGER NOT NULL,
[EXIFDate] TEXT NOT NULL,
[UploadDate] TEXT NOT NULL,
[Latitude] TEXT,
[Longitude] TEXT,
[Type] INTEGER, /* 0 = Photo, 1 = Video */
[RelPath] TEXT NOT NULL,
FOREIGN KEY (UserID) REFERENCES Users(UserID)
);
CREATE TABLE IF NOT EXISTS [Tags] (
[TagID] INTEGER PRIMARY KEY,
[TagName] TEXT NOT NULL
);
CREATE TABLE IF NOT EXISTS [ItemTags] (
[ItemID] INTEGER NOT NULL,
[TagID] INTEGER NOT NULL,
FOREIGN KEY (ItemID) REFERENCES Items(ItemID)
FOREIGN KEY (TagID) REFERENCES Tags(TagID)
);
CREATE TABLE IF NOT EXISTS [Albums] (
[AlbumID] INTEGER PRIMARY KEY,
[UserID] INTEGER NOT NULL,
[Name] TEXT NOT NULL,
FOREIGN KEY (UserID) REFERENCES Users(UserID)
);
CREATE TABLE IF NOT EXISTS [ItemAlbums] (
[ItemID] INTEGER NOT NULL,
[AlbumID] INTEGER NOT NULL,
FOREIGN KEY (ItemID) REFERENCES Items(ItemID)
FOREIGN KEY (AlbumID) REFERENCES Albums(AlbumID)
);