SRSoftware/Umbrella
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overhaule db layout, so we have LONG values as keys

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This commit is contained in:
Stephan Richter
2025-08-03 14:03:40 +02:00
parent e6c70a13b1
commit 6de65f3070
4 changed files with 30 additions and 25 deletions
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3
bookmark/src/main/java/de/srsoftware/umbrella/bookmarks/BookmarkDb.java
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@@ -2,11 +2,10 @@
package de.srsoftware.umbrella.bookmarks;
import de.srsoftware.umbrella.core.model.Bookmark;
import de.srsoftware.umbrella.core.model.Hash;
import java.util.Map;
public interface BookmarkDb {
Bookmark save(String url, String comment, long userId);
Map<Hash, Bookmark> list(long id);
Map<Long, Bookmark> list(long id);
}

1
bookmark/src/main/java/de/srsoftware/umbrella/bookmarks/Constants.java
View File

@@ -6,5 +6,6 @@ public class Constants {
public static final String SAVE = "save";
public static final String TABLE_URLS = "urls";
public static final String TABLE_URL_COMMENTS = "url_comments";
public static final String URL_ID = "url_id";
}

39
bookmark/src/main/java/de/srsoftware/umbrella/bookmarks/SqliteDb.java
View File

@@ -15,8 +15,8 @@ import de.srsoftware.tools.jdbc.Condition;
import de.srsoftware.umbrella.core.BaseDb;
import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
import de.srsoftware.umbrella.core.model.Bookmark;
import de.srsoftware.umbrella.core.model.Hash;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.time.LocalDateTime;
import java.util.HashMap;
@@ -41,14 +41,14 @@ public class SqliteDb extends BaseDb implements BookmarkDb {
private void createUrlCommentsTable() {
var sql = """
CREATE TABLE IF NOT EXISTS {0} (
`{1}` VARCHAR ( 255 ) NOT NULL,
`{2}` LONG NOT NULL,
`{1}` INTEGER NOT NULL,
`{2}` INTEGER NOT NULL,
`{3}` TEXT NOT NULL,
`{4}` DATETIME NOT NULL,
PRIMARY KEY (`{1}`,`{2}`)
)""";
try {
var stmt = db.prepareStatement(format(sql,TABLE_URL_COMMENTS,HASH,USER_ID,COMMENT,TIMESTAMP));
var stmt = db.prepareStatement(format(sql,TABLE_URL_COMMENTS,URL_ID,USER_ID,COMMENT,TIMESTAMP));
stmt.execute();
stmt.close();
} catch (SQLException e) {
@@ -58,7 +58,7 @@ CREATE TABLE IF NOT EXISTS {0} (
}
private void createUrlsTable() {
var sql = "CREATE TABLE IF NOT EXISTS urls (hash VARCHAR(255) PRIMARY KEY, url TEXT NOT NULL)";
var sql = "CREATE TABLE IF NOT EXISTS urls (ID INTEGER PRIMARY KEY, url TEXT UNIQUE NOT NULL)";
try {
var stmt = db.prepareStatement(sql);
stmt.execute();
@@ -70,14 +70,13 @@ CREATE TABLE IF NOT EXISTS {0} (
}
@Override
public Map<Hash, Bookmark> list(long userId) {
public Map<Long, Bookmark> list(long userId) {
try {
var map = new HashMap<Hash,Bookmark>();
var rs = select(ALL).from(TABLE_URL_COMMENTS).leftJoin(HASH,TABLE_URLS,HASH).where(USER_ID, Condition.equal(userId)).exec(db);
var map = new HashMap<Long,Bookmark>();
var rs = select(ALL).from(TABLE_URL_COMMENTS).leftJoin(URL_ID,TABLE_URLS,ID).where(USER_ID, Condition.equal(userId)).exec(db);
while (rs.next()){
var bookmark = Bookmark.of(rs);
map.put(bookmark.hash(),bookmark);
map.put(bookmark.id(),bookmark);
}
rs.close();;
return map;
@@ -88,15 +87,23 @@ CREATE TABLE IF NOT EXISTS {0} (
@Override
public Bookmark save(String url, String comment, long userId) {
var hash = sha1(url);
try {
var timestamp = LocalDateTime.now();
replaceInto(TABLE_URLS,HASH,URL)
.values(hash,url).execute(db).close();
replaceInto(TABLE_URL_COMMENTS,HASH,USER_ID,COMMENT, TIMESTAMP)
.values(hash,userId,comment,timestamp.toEpochSecond(UTC))
var rs = select(ID).from(TABLE_URLS).where(URL,Condition.equal(url)).exec(db);
var id = 0L;
if (rs.next()) id = rs.getLong(ID);
rs.close();
if (id == 0) {
var stmt = insertInto(TABLE_URLS, URL).values(url).execute(db);
rs = stmt.getGeneratedKeys();
if (rs.next()) id = rs.getLong(1);
rs.close();
stmt.close();
}
replaceInto(TABLE_URL_COMMENTS,URL_ID,USER_ID,COMMENT, TIMESTAMP)
.values(id,userId,comment,timestamp.toEpochSecond(UTC))
.execute(db).close();
return Bookmark.of(url,comment,timestamp);
return Bookmark.of(id,url,comment,timestamp);
} catch (SQLException e) {
throw new UmbrellaException("Failed to store url");
}