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/*
* PhotoStore.cs
*
* Author(s):
* Ettore Perazzoli <ettore@perazzoli.org>
* Larry Ewing <lewing@gnome.org>
* Stephane Delcroix <stephane@delcroix.org>
*
* This is free software. See COPYING for details.
*/
using Gdk;
using Gtk;
using Mono.Data.SqliteClient;
using Mono.Unix;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System;
using FSpot;
using FSpot.Query;
using FSpot.Utils;
using FSpot.Platform;
using Banshee.Database;
public class PhotoStore : DbStore<Photo> {
public int TotalPhotos {
get {
SqliteDataReader reader = Database.Query("SELECT COUNT(*) AS photo_count FROM photos");
reader.Read ();
int total = Convert.ToInt32 (reader ["photo_count"]);
reader.Close ();
return total;
}
}
// FIXME this is a hack. Since we don't have Gnome.ThumbnailFactory.SaveThumbnail() in
// GTK#, and generate them by ourselves directly with Gdk.Pixbuf, we have to make sure here
// that the "large" thumbnail directory exists.
private static void EnsureThumbnailDirectory ()
{
string large_thumbnail_file_name_template = Gnome.Thumbnail.PathForUri ("file:///boo", Gnome.ThumbnailSize.Large);
string large_thumbnail_directory_path = System.IO.Path.GetDirectoryName (large_thumbnail_file_name_template);
if (! System.IO.File.Exists (large_thumbnail_directory_path))
System.IO.Directory.CreateDirectory (large_thumbnail_directory_path);
}
//
// Generates the thumbnail, returns the Pixbuf, and also stores it as a side effect
//
private static Pixbuf GenerateThumbnail (System.Uri uri)
{
using (FSpot.ImageFile img = FSpot.ImageFile.Create (uri)) {
return GenerateThumbnail (uri, img);
}
}
private static Pixbuf GenerateThumbnail (System.Uri uri, ImageFile img)
{
Pixbuf thumbnail = null;
if (img is FSpot.IThumbnailContainer) {
try {
thumbnail = ((FSpot.IThumbnailContainer)img).GetEmbeddedThumbnail ();
} catch (Exception e) {
Log.Debug ("Exception while loading embedded thumbail {0}", e.ToString ());
}
}
// Save embedded thumbnails in a silightly invalid way so that we know to regnerate them later.
if (thumbnail != null)
//FIXME with gio, set it to uri time minus a few sec
ThumbnailFactory.SaveThumbnail (thumbnail, uri, new DateTime (1980, 1, 1));
else
thumbnail = FSpot.ThumbnailGenerator.Create (uri);
return thumbnail;
}
// Constructor
public PhotoStore (QueuedSqliteDatabase database, bool is_new)
: base (database, false)
{
EnsureThumbnailDirectory ();
if (! is_new)
return;
Database.ExecuteNonQuery (
"CREATE TABLE photos (\n" +
" id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, \n" +
" time INTEGER NOT NULL, \n" +
" base_uri STRING NOT NULL, \n" +
" filename STRING NOT NULL, \n" +
" description TEXT NOT NULL, \n" +
" roll_id INTEGER NOT NULL, \n" +
" default_version_id INTEGER NOT NULL, \n" +
" rating INTEGER NULL, \n" +
" md5_sum TEXT NULL\n" +
")");
Database.ExecuteNonQuery (
"CREATE TABLE photo_tags (\n" +
" photo_id INTEGER, \n" +
" tag_id INTEGER, \n" +
" UNIQUE (photo_id, tag_id)\n" +
")");
Database.ExecuteNonQuery (
"CREATE TABLE photo_versions (\n"+
" photo_id INTEGER, \n" +
" version_id INTEGER, \n" +
" name STRING, \n" +
" base_uri STRING NOT NULL, \n" +
" filename STRING NOT NULL, \n" +
" md5_sum TEXT NULL, \n" +
" protected BOOLEAN, \n" +
" UNIQUE (photo_id, version_id)\n" +
")");
Database.ExecuteNonQuery ("CREATE INDEX idx_photo_versions_id ON photo_versions(photo_id)");
Database.ExecuteNonQuery ("CREATE INDEX idx_photos_roll_id ON photos(roll_id)");
}
public Photo CheckForDuplicate (System.Uri uri) {
// Here we can go wild in comparing photos,
// for now we check on uri and md5
Photo found = GetByUri (uri);
if (found != null)
return found;
string md5 = Photo.GenerateMD5 (uri);
Gnome.Vfs.FileInfo info = new Gnome.Vfs.FileInfo (uri.ToString (), Gnome.Vfs.FileInfoOptions.GetMimeType);
Photo[] md5_matches = GetByMD5 (md5);
foreach (Photo match in md5_matches)
{
Gnome.Vfs.FileInfo match_info = new Gnome.Vfs.FileInfo (match.DefaultVersionUri.ToString (), Gnome.Vfs.FileInfoOptions.GetMimeType);
// same mimetype?
if (info.MimeType != match_info.MimeType)
continue;
// other comparisons?
// TODO? load pixbuf and compare sizes?
return match;
}
return null;
}
public Photo Create (System.Uri uri, uint roll_id, out Pixbuf thumbnail)
{
return Create (uri, uri, roll_id, out thumbnail);
}
public Photo Create (System.Uri new_uri, System.Uri orig_uri, uint roll_id, out Pixbuf thumbnail)
{
Photo photo;
using (FSpot.ImageFile img = FSpot.ImageFile.Create (orig_uri)) {
long unix_time = DbUtils.UnixTimeFromDateTime (img.Date);
string description = img.Description != null ? img.Description.Split ('\0') [0] : String.Empty;
string md5_sum = Photo.GenerateMD5 (new_uri);
uint id = (uint) Database.Execute (
new DbCommand (
"INSERT INTO photos (time, base_uri, filename, description, roll_id, default_version_id, rating, md5_sum) " +
"VALUES (:time, :base_uri, :filename, :description, :roll_id, :default_version_id, :rating, :md5_sum)",
"time", unix_time,
"base_uri", new_uri.GetDirectoryUri ().ToString (),
"filename", new_uri.GetFilename (),
"description", description,
"roll_id", roll_id,
"default_version_id", Photo.OriginalVersionId,
"rating", "0",
"md5_sum", (md5_sum != String.Empty ? md5_sum : null)
)
);
photo = new Photo (id, unix_time, new_uri, md5_sum);
AddToCache (photo);
photo.Loaded = true;
thumbnail = GenerateThumbnail (new_uri, img);
EmitAdded (photo);
}
return photo;
}
private void GetVersions (Photo photo)
{
SqliteDataReader reader = Database.Query(
new DbCommand("SELECT version_id, name, base_uri, filename, md5_sum, protected " +
"FROM photo_versions " +
"WHERE photo_id = :id",
"id", photo.Id
)
);
while (reader.Read ()) {
uint version_id = Convert.ToUInt32 (reader ["version_id"]);
string name = reader["name"].ToString ();
System.Uri uri = new Uri (new Uri (reader ["base_uri"].ToString ()), reader ["filename"].ToString ());
string md5_sum = reader["md5_sum"] != null ? reader ["md5_sum"].ToString () : null;
bool is_protected = Convert.ToBoolean (reader["protected"]);
photo.AddVersionUnsafely (version_id, uri, md5_sum, name, is_protected);
}
reader.Close();
}
private void GetTags (Photo photo)
{
SqliteDataReader reader = Database.Query(new DbCommand("SELECT tag_id FROM photo_tags WHERE photo_id = :id", "id", photo.Id));
while (reader.Read ()) {
uint tag_id = Convert.ToUInt32 (reader ["tag_id"]);
Tag tag = App.Instance.Database.Tags.Get (tag_id) as Tag;
photo.AddTagUnsafely (tag);
}
reader.Close();
}
private void GetAllVersions (string ids) {
SqliteDataReader reader = Database.Query ("SELECT photo_id, version_id, name, base_uri, filename, md5_sum, protected FROM photo_versions WHERE photo_id IN " + ids);
while (reader.Read ()) {
uint id = Convert.ToUInt32 (reader ["photo_id"]);
Photo photo = LookupInCache (id);
if (photo == null) {
//Console.WriteLine ("Photo {0} not found", id);
continue;
}
if (photo.Loaded) {
//Console.WriteLine ("Photo {0} already Loaded", photo);
continue;
}
if (reader ["version_id"] != null) {
uint version_id = Convert.ToUInt32 (reader ["version_id"]);
string name = reader["name"].ToString ();
System.Uri uri = new Uri (new Uri (reader ["base_uri"].ToString ()), reader ["filename"].ToString ());
string md5_sum = reader["md5_sum"] != null ? reader ["md5_sum"].ToString () : null;
bool is_protected = Convert.ToBoolean (reader["protected"]);
photo.AddVersionUnsafely (version_id, uri, md5_sum, name, is_protected);
}
/*
string directory_path = null;
if (reader [3] != null)
directory_path = reader [3].ToString ();
System.Console.WriteLine ("directory_path = {0}", directory_path);
*/
}
reader.Close();
}
private void GetAllTags (string ids) {
SqliteDataReader reader = Database.Query ("SELECT photo_id, tag_id FROM photo_tags WHERE photo_id IN " + ids);
while (reader.Read ()) {
uint id = Convert.ToUInt32 (reader ["photo_id"]);
Photo photo = LookupInCache (id);
if (photo == null) {
//Console.WriteLine ("Photo {0} not found", id);
continue;
}
if (photo.Loaded) {
//Console.WriteLine ("Photo {0} already Loaded", photo.Id);
continue;
}
if (reader [1] != null) {
uint tag_id = Convert.ToUInt32 (reader ["tag_id"]);
Tag tag = App.Instance.Database.Tags.Get (tag_id) as Tag;
photo.AddTagUnsafely (tag);
}
}
reader.Close();
}
public override Photo Get (uint id)
{
Photo photo = LookupInCache (id);
if (photo != null)
return photo;
SqliteDataReader reader = Database.Query(
new DbCommand("SELECT time, base_uri, filename, description, roll_id, default_version_id, rating, md5_sum " +
"FROM photos " +
"WHERE id = :id", "id", id
)
);
if (reader.Read ()) {
photo = new Photo (id,
Convert.ToInt64 (reader ["time"]),
new Uri (new Uri (reader ["base_uri"].ToString ()), reader ["filename"].ToString ()),
reader["md5_sum"] != null ? reader["md5_sum"].ToString () : null
);
photo.Description = reader["description"].ToString ();
photo.RollId = Convert.ToUInt32 (reader["roll_id"]);
photo.DefaultVersionId = Convert.ToUInt32 (reader["default_version_id"]);
photo.Rating = Convert.ToUInt32 (reader ["rating"]);
AddToCache (photo);
}
reader.Close();
if (photo == null)
return null;
GetTags (photo);
GetVersions (photo);
return photo;
}
public Photo GetByUri (System.Uri uri)
{
Photo photo = null;
uint timer = Log.DebugTimerStart ();
SqliteDataReader reader =
Database.Query (new DbCommand ("SELECT id, time, description, roll_id, default_version_id, rating, photos.md5_sum AS md5_sum " +
" FROM photos " +
" LEFT JOIN photo_versions AS pv ON photos.id = pv.photo_id" +
" WHERE (photos.base_uri = :base_uri AND photos.filename = :filename)" +
" OR (pv.base_uri = :base_uri AND pv.filename = :filename)",
"base_uri", uri.GetDirectoryUri ().ToString (),
"filename", uri.GetFilename ()));
if (reader.Read ()) {
photo = new Photo (Convert.ToUInt32 (reader ["id"]),
Convert.ToInt64 (reader ["time"]),
uri,
reader["md5_sum"] != null ? reader["md5_sum"].ToString () : null);
photo.Description = reader["description"].ToString ();
photo.RollId = Convert.ToUInt32 (reader["roll_id"]);
photo.DefaultVersionId = Convert.ToUInt32 (reader["default_version_id"]);
photo.Rating = Convert.ToUInt32 (reader ["rating"]);
}
reader.Close();
Log.DebugTimerPrint (timer, "GetByUri query took {0}");
if (photo == null)
return null;
Photo cached = LookupInCache (photo.Id);
if (cached != null)
return cached;
AddToCache (photo);
GetTags (photo);
GetVersions (photo);
return photo;
}
public Photo[] GetByMD5 (string md5_sum)
{
List<Photo> photos = new List<Photo> ();
SqliteDataReader reader = Database.Query (
new DbCommand ("SELECT DISTINCT " +
"id, time, photos.base_uri AS base_uri, photos.filename AS filename, description, roll_id, default_version_id, rating " +
"FROM photos " +
"LEFT JOIN photo_versions " +
"ON photos.id = photo_versions.photo_id " +
"WHERE photos.md5_sum = :md5_sum " +
"OR photo_versions.md5_sum = :md5_sum",
"md5_sum", md5_sum
)
);
while (reader.Read ()) {
Photo photo =
new Photo (Convert.ToUInt32 (reader ["id"]),
Convert.ToInt64 (reader ["time"]),
new Uri (new Uri (reader ["base_uri"].ToString ()), reader ["filename"].ToString ()),
md5_sum);
photo.Description = reader["description"].ToString ();
photo.RollId = Convert.ToUInt32 (reader["roll_id"]);
photo.DefaultVersionId = Convert.ToUInt32 (reader["default_version_id"]);
photo.Rating = Convert.ToUInt32 (reader ["rating"]);
photo.MD5Sum = md5_sum;
// get cached if possible
Photo cached = LookupInCache (photo.Id);
if (cached != null)
{
photos.Add (cached);
continue;
}
// Add to cache and fully load if not found in cache
AddToCache (photo);
GetTags (photo);
GetVersions (photo);
// add to collection
photos.Add (photo);
}
reader.Close();
return photos.ToArray ();
}
public void Remove (Tag []tags)
{
Photo [] photos = Query (tags, String.Empty, null, null);
foreach (Photo photo in photos)
photo.RemoveCategory (tags);
Commit (photos);
foreach (Tag tag in tags)
App.Instance.Database.Tags.Remove (tag);
}
public void Remove (Photo []items)
{
EmitRemoved (items);
ArrayList query_builder = new ArrayList (items.Length);
for (int i = 0; i < items.Length; i++) {
query_builder.Add (String.Format ("{0}", items[i].Id));
RemoveFromCache (items[i]);
}
String id_list = String.Join ("','", ((string []) query_builder.ToArray (typeof (string))));
Database.ExecuteNonQuery (String.Format ("DELETE FROM photos WHERE id IN ('{0}')", id_list));
Database.ExecuteNonQuery (String.Format ("DELETE FROM photo_tags WHERE photo_id IN ('{0}')", id_list));
Database.ExecuteNonQuery (String.Format ("DELETE FROM photo_versions WHERE photo_id IN ('{0}')", id_list));
}
public override void Remove (Photo item)
{
Remove (new Photo [] { (Photo)item });
}
public override void Commit (Photo item)
{
Commit (new Photo [] {item});
}
public void Commit (Photo [] items)
{
uint timer = Log.DebugTimerStart ();
// Only use a transaction for multiple saves. Avoids recursive transactions.
bool use_transactions = !Database.InTransaction && items.Length > 1;
if (use_transactions)
Database.BeginTransaction ();
PhotosChanges changes = new PhotosChanges ();
foreach (DbItem item in items)
changes |= Update ((Photo)item);
if (use_transactions)
Database.CommitTransaction ();
EmitChanged (items, new PhotoEventArgs (items, changes));
Log.DebugTimerPrint (timer, "Commit took {0}");
}
private PhotoChanges Update (Photo photo) {
PhotoChanges changes = photo.Changes;
// Update photo.
if (changes.DescriptionChanged || changes.DefaultVersionIdChanged || changes.TimeChanged || changes.UriChanged || changes.RatingChanged || changes.MD5SumChanged )
Database.ExecuteNonQuery (
new DbCommand (
"UPDATE photos " +
"SET description = :description, " +
" default_version_id = :default_version_id, " +
" time = :time, " +
" base_uri = :base_uri, " +
" filename = :filename, " +
" rating = :rating, " +
" md5_sum = :md5_sum " +
"WHERE id = :id ",
"description", photo.Description,
"default_version_id", photo.DefaultVersionId,
"time", DbUtils.UnixTimeFromDateTime (photo.Time),
"base_uri", photo.VersionUri (Photo.OriginalVersionId).GetDirectoryUri ().ToString (),
"filename", photo.VersionUri (Photo.OriginalVersionId).GetFilename (),
"rating", String.Format ("{0}", photo.Rating),
"md5_sum", (photo.MD5Sum != String.Empty ? photo.MD5Sum : null),
"id", photo.Id
)
);
// Update tags.
if (changes.TagsRemoved != null)
foreach (Tag tag in changes.TagsRemoved)
Database.ExecuteNonQuery (new DbCommand (
"DELETE FROM photo_tags WHERE photo_id = :photo_id AND tag_id = :tag_id",
"photo_id", photo.Id,
"tag_id", tag.Id));
if (changes.TagsAdded != null)
foreach (Tag tag in changes.TagsAdded)
Database.ExecuteNonQuery (new DbCommand (
"INSERT OR IGNORE INTO photo_tags (photo_id, tag_id) " +
"VALUES (:photo_id, :tag_id)",
"photo_id", photo.Id,
"tag_id", tag.Id));
// Update versions.
if (changes.VersionsRemoved != null)
foreach (uint version_id in changes.VersionsRemoved)
Database.ExecuteNonQuery (new DbCommand (
"DELETE FROM photo_versions WHERE photo_id = :photo_id AND version_id = :version_id",
"photo_id", photo.Id,
"version_id", version_id));
if (changes.VersionsAdded != null)
foreach (uint version_id in changes.VersionsAdded) {
PhotoVersion version = photo.GetVersion (version_id) as PhotoVersion;
Database.ExecuteNonQuery (new DbCommand (
"INSERT OR IGNORE INTO photo_versions (photo_id, version_id, name, base_uri, filename, protected, md5_sum) " +
"VALUES (:photo_id, :version_id, :name, :base_uri, :filename, :is_protected, :md5_sum)",
"photo_id", photo.Id,
"version_id", version_id,
"name", version.Name,
"base_uri", version.Uri.GetDirectoryUri ().ToString (),
"filename", version.Uri.GetFilename (),
"is_protected", version.IsProtected,
"md5_sum", (version.MD5Sum != String.Empty ? version.MD5Sum : null)));
}
if (changes.VersionsModified != null)
foreach (uint version_id in changes.VersionsModified) {
PhotoVersion version = photo.GetVersion (version_id) as PhotoVersion;
Database.ExecuteNonQuery (new DbCommand (
"UPDATE photo_versions SET name = :name, " +
"base_uri = :base_uri, filename = :filename, protected = :protected, md5_sum = :md5_sum " +
"WHERE photo_id = :photo_id AND version_id = :version_id",
"name", version.Name,
"base_uri", version.Uri.GetDirectoryUri ().ToString (),
"filename", version.Uri.GetFilename (),
"protected", version.IsProtected,
"photo_id", photo.Id,
"md5_sum", (version.MD5Sum != String.Empty ? version.MD5Sum : null),
"version_id", version_id));
}
photo.Changes = null;
return changes;
}
public void UpdateMD5Sum (Photo photo) {
string md5_sum = Photo.GenerateMD5 (photo.VersionUri (Photo.OriginalVersionId));
photo.MD5Sum = md5_sum;
Database.ExecuteNonQuery (
new DbCommand (
"UPDATE photos " +
"SET md5_sum = :md5_sum " +
"WHERE ID = :id",
"md5_sum", (md5_sum != String.Empty ? md5_sum : null),
"id", photo.Id
)
);
foreach (uint version_id in photo.VersionIds) {
if (version_id == Photo.OriginalVersionId)
continue;
PhotoVersion version = photo.GetVersion (version_id) as PhotoVersion;
string version_md5_sum = Photo.GenerateMD5 (version.Uri);
if (version.MD5Sum == version_md5_sum)
continue;
version.MD5Sum = version_md5_sum;
photo.Changes.ChangeVersion (version_id);
}
Commit (photo);
}
// Dbus
public event EventHandler<DbItemEventArgs<Photo>> ItemsAddedOverDBus;
public event EventHandler<DbItemEventArgs<Photo>> ItemsRemovedOverDBus;
public Photo CreateOverDBus (string new_path, string orig_path, uint roll_id, out Gdk.Pixbuf pixbuf) {
Photo photo = Create (UriUtils.PathToFileUri (new_path), UriUtils.PathToFileUri (orig_path), roll_id, out pixbuf);
EmitAddedOverDBus (photo);
return photo;
}
public void RemoveOverDBus (Photo photo) {
Remove (photo);
EmitRemovedOverDBus (photo);
}
protected void EmitAddedOverDBus (Photo photo) {
EmitAddedOverDBus (new Photo [] { photo });
}
protected void EmitAddedOverDBus (Photo [] photos) {
if (ItemsAddedOverDBus != null)
ItemsAddedOverDBus (this, new DbItemEventArgs<Photo> (photos));
}
protected void EmitRemovedOverDBus (Photo photo) {
EmitRemovedOverDBus (new Photo [] { photo });
}
protected void EmitRemovedOverDBus (Photo [] photos) {
if (ItemsRemovedOverDBus != null)
ItemsRemovedOverDBus (this, new DbItemEventArgs<Photo> (photos));
}
public int Count (string table_name, params IQueryCondition [] conditions)
{
StringBuilder query_builder = new StringBuilder ("SELECT COUNT(*) AS count FROM " + table_name + " ");
bool where_added = false;
foreach (IQueryCondition condition in conditions) {
if (condition == null)
continue;
if (condition is IOrderCondition)
continue;
query_builder.Append (where_added ? " AND " : " WHERE ");
query_builder.Append (condition.SqlClause ());
where_added = true;
}
SqliteDataReader reader = Database.Query (query_builder.ToString());
reader.Read ();
int count = Convert.ToInt32 (reader ["count"]);
reader.Close();
return count;
}
public int [] IndicesOf (string table_name, uint [] items)
{
StringBuilder query_builder = new StringBuilder ("SELECT ROWID AS row_id FROM ");
query_builder.Append (table_name);
query_builder.Append (" WHERE id IN (");
for (int i = 0; i < items.Length; i++) {
query_builder.Append (items [i]);
query_builder.Append ((i != items.Length - 1) ? ", " : ")" );
}
return IndicesOf (query_builder.ToString ());
}
public int IndexOf (string table_name, Photo photo)
{
string query = String.Format ("SELECT ROWID AS row_id FROM {0} WHERE id = {1}", table_name, photo.Id);
return IndexOf (query);
}
public int IndexOf (string table_name, DateTime time, bool asc)
{
string query = String.Format ("SELECT ROWID AS row_id FROM {0} WHERE time {2} {1} ORDER BY time {3} LIMIT 1",
table_name,
DbUtils.UnixTimeFromDateTime (time),
asc ? ">=" : "<=",
asc ? "ASC" : "DESC");
return IndexOf (query);
}
private int IndexOf (string query)
{
uint timer = Log.DebugTimerStart ();
SqliteDataReader reader = Database.Query (query);
int index = - 1;
if (reader.Read ())
index = Convert.ToInt32 (reader ["row_id"]);
reader.Close();
Log.DebugTimerPrint (timer, "IndexOf took {0} : " + query);
return index - 1; //ROWID starts counting at 1
}
int [] IndicesOf (string query)
{
uint timer = Log.DebugTimerStart ();
List<int> list = new List<int> ();
SqliteDataReader reader = Database.Query (query);
while (reader.Read ())
list.Add (Convert.ToInt32 (reader ["row_id"]) - 1);
reader.Close ();
Log.DebugTimerPrint (timer, "IndicesOf took {0} : " + query);
return list.ToArray ();
}
public Dictionary<int,int[]> PhotosPerMonth (params IQueryCondition [] conditions)
{
uint timer = Log.DebugTimerStart ();
Dictionary<int, int[]> val = new Dictionary<int, int[]> ();
//Sqlite is way more efficient querying to a temp then grouping than grouping at once
Database.ExecuteNonQuery ("DROP TABLE IF EXISTS population");
StringBuilder query_builder = new StringBuilder ("CREATE TEMPORARY TABLE population AS SELECT strftime('%Y%m', datetime(time, 'unixepoch')) AS month FROM photos");
bool where_added = false;
foreach (IQueryCondition condition in conditions) {
if (condition == null)
continue;
if (condition is IOrderCondition)
continue;
query_builder.Append (where_added ? " AND " : " WHERE ");
query_builder.Append (condition.SqlClause ());
where_added = true;
}
Database.ExecuteNonQuery (query_builder.ToString ());
int minyear = Int32.MaxValue;
int maxyear = Int32.MinValue;
SqliteDataReader reader = Database.Query ("SELECT COUNT (*) as count, month from population GROUP BY month");
while (reader.Read ()) {
string yyyymm = reader ["month"].ToString ();
int count = Convert.ToInt32 (reader ["count"]);
int year = Convert.ToInt32 (yyyymm.Substring (0,4));
maxyear = Math.Max (year, maxyear);
minyear = Math.Min (year, minyear);
int month = Convert.ToInt32 (yyyymm.Substring (4));
if (!val.ContainsKey (year))
val.Add (year, new int[12]);
val[year][month-1] = count;
}
reader.Close ();
//Fill the blank
for (int i = minyear; i <= maxyear; i++)
if (!val.ContainsKey (i))
val.Add (i, new int[12]);
Log.DebugTimerPrint (timer, "PhotosPerMonth took {0}");
return val;
}
// Queries.
[Obsolete ("drop this, use IQueryCondition correctly instead")]
public Photo [] Query (Tag [] tags) {
return Query (tags, null, null, null, null);
}
private string BuildQuery (params IQueryCondition [] conditions)
{
StringBuilder query_builder = new StringBuilder ("SELECT * FROM photos ");
bool where_added = false;
bool hidden_contained = false;
foreach (IQueryCondition condition in conditions) {
if (condition == null)
continue;
if (condition is HiddenTag)
hidden_contained = true;
if (condition is IOrderCondition)
continue;
string sql_clause = condition.SqlClause ();
if (sql_clause == null || sql_clause.Trim () == String.Empty)
continue;
query_builder.Append (where_added ? " AND " : " WHERE ");
query_builder.Append (sql_clause);
where_added = true;
}
/* if a HiddenTag condition is not explicitly given, we add one */
if ( ! hidden_contained) {
string sql_clause = HiddenTag.HideHiddenTag.SqlClause ();
if (sql_clause != null && sql_clause.Trim () != String.Empty) {
query_builder.Append (where_added ? " AND " : " WHERE ");
query_builder.Append (sql_clause);
}
}
bool order_added = false;
foreach (IQueryCondition condition in conditions) {
if (condition == null)
continue;
if (!(condition is IOrderCondition))
continue;
string sql_clause = condition.SqlClause ();
if (sql_clause == null || sql_clause.Trim () == String.Empty)
continue;
query_builder.Append (order_added ? " , " : "ORDER BY ");
query_builder.Append (sql_clause);
order_added = true;
}
return query_builder.ToString ();
}
public Photo [] Query (params IQueryCondition [] conditions)
{
return Query (BuildQuery (conditions));
}
public void QueryToTemp (string temp_table, params IQueryCondition [] conditions)
{
QueryToTemp (temp_table, BuildQuery (conditions));
}
public void QueryToTemp(string temp_table, string query)
{
uint timer = Log.DebugTimerStart ();
Log.Debug ("Query Started : {0}", query);
Database.BeginTransaction ();
Database.ExecuteNonQuery (String.Format ("DROP TABLE IF EXISTS {0}", temp_table));
//Database.ExecuteNonQuery (String.Format ("CREATE TEMPORARY TABLE {0} AS {1}", temp_table, query));
Database.Query (String.Format ("CREATE TEMPORARY TABLE {0} AS {1}", temp_table, query)).Close ();
Database.CommitTransaction ();
Log.DebugTimerPrint (timer, "QueryToTemp took {0} : " + query);
}
public Photo [] QueryFromTemp (string temp_table)
{
return QueryFromTemp (temp_table, 0, -1);
}
public Photo [] QueryFromTemp (string temp_table, int offset, int limit)
{
return Query (String.Format ("SELECT * FROM {0} LIMIT {1} OFFSET {2}", temp_table, limit, offset));
}
public Photo [] Query (string query)
{
return Query (new DbCommand (query));
}
private Photo [] Query (DbCommand query)
{
uint timer = Log.DebugTimerStart ();
SqliteDataReader reader = Database.Query(query);
List<Photo> new_photos = new List<Photo> ();
List<Photo> query_result = new List<Photo> ();
while (reader.Read ()) {
uint id = Convert.ToUInt32 (reader ["id"]);
Photo photo = LookupInCache (id);
if (photo == null) {
photo =
new Photo (id,
Convert.ToInt64 (reader ["time"]),
new Uri (new Uri (reader ["base_uri"].ToString ()), reader ["filename"].ToString ()),
reader["md5_sum"] != null ? reader ["md5_sum"].ToString () : null
);
photo.Description = reader["description"].ToString ();
photo.RollId = Convert.ToUInt32 (reader["roll_id"]);
photo.DefaultVersionId = Convert.ToUInt32 (reader["default_version_id"]);
photo.Rating = Convert.ToUInt32 (reader ["rating"]);
new_photos.Add (photo);
}
query_result.Add (photo);
}
reader.Close();
bool need_load = false;
string photo_ids = "(";
foreach (Photo photo in new_photos) {
AddToCache (photo);
photo_ids = photo_ids + Convert.ToString(photo.Id) + ",";
need_load |= !photo.Loaded;
}
photo_ids = photo_ids + "-1)";
if (need_load) {
GetAllTags (photo_ids);
GetAllVersions (photo_ids);
foreach (Photo photo in new_photos)
photo.Loaded = true;
} else {
//Console.WriteLine ("Skipped Loading Data");
}
foreach (Photo photo in new_photos)
photo.Changes = null;
Log.DebugTimerPrint (timer, "Query took {0} : " + query.CommandText);
return query_result.ToArray ();
}
public Photo [] Query (System.Uri uri)
{
string filename = uri.GetFilename ();
/* query by file */
if ( ! String.IsNullOrEmpty (filename)) {
return Query (new DbCommand (
"SELECT id, " +
"time, " +
"base_uri, " +
"filename, " +
"description, " +
"roll_id, " +
"default_version_id, " +
"rating, " +
"md5_sum " +
"FROM photos " +
"WHERE base_uri LIKE :base_uri " +
"AND filename LIKE :filename",
"base_uri", uri.GetDirectoryUri ().ToString (),
"filename", filename));
}
/* query by directory */
return Query (new DbCommand (
"SELECT id, " +
"time, " +
"base_uri, " +
"filename, " +
"description, " +
"roll_id, " +
"default_version_id, " +
"rating, " +
"md5_sum " +
"FROM photos " +
"WHERE base_uri LIKE :base_uri " +
"AND base_uri NOT LIKE :base_uri_",
"base_uri", uri.ToString () + "%",
"base_uri_", uri.ToString () + "/%/%"));
}
[Obsolete ("drop this, use IQueryCondition correctly instead")]
public Photo [] Query (Tag [] tags, string extra_condition, DateRange range, RollSet importidrange)
{
return Query (FSpot.OrTerm.FromTags(tags), extra_condition, range, importidrange, null);
}
[Obsolete ("drop this, use IQueryCondition correctly instead")]
public Photo [] Query (Tag [] tags, string extra_condition, DateRange range, RollSet importidrange, RatingRange ratingrange)
{
return Query (FSpot.OrTerm.FromTags(tags), extra_condition, range, importidrange, ratingrange);
}
[Obsolete ("drop this, use IQueryCondition correctly instead")]
public Photo [] Query (Term searchexpression, string extra_condition, DateRange range, RollSet importidrange, RatingRange ratingrange)
{
bool hide = (extra_condition == null);
// The SQL query that we want to construct is:
//
// SELECT photos.id
// photos.time
// photos.uri,
// photos.description,
// photos.roll_id,
// photos.default_version_id
// photos.rating
// FROM photos, photo_tags
// WHERE photos.time >= time1 AND photos.time <= time2
// AND photos.rating >= rat1 AND photos.rating <= rat2
// AND photos.id NOT IN (select photo_id FROM photo_tags WHERE tag_id = HIDDEN)
// AND photos.id IN (select photo_id FROM photo_tags where tag_id IN (tag1, tag2..)
// AND extra_condition_string
// GROUP BY photos.id
StringBuilder query_builder = new StringBuilder ();
ArrayList where_clauses = new ArrayList ();
query_builder.Append ("SELECT id, " +
"time, " +
"base_uri, " +
"filename, " +
"description, " +
"roll_id, " +
"default_version_id, " +
"rating, " +
"md5_sum " +
"FROM photos ");
if (range != null) {
where_clauses.Add (String.Format ("time >= {0} AND time <= {1}",
DbUtils.UnixTimeFromDateTime (range.Start),
DbUtils.UnixTimeFromDateTime (range.End)));
}
if (ratingrange != null) {
where_clauses.Add (ratingrange.SqlClause ());
}
if (importidrange != null) {
where_clauses.Add (importidrange.SqlClause ());
}
if (hide && App.Instance.Database.Tags.Hidden != null) {
where_clauses.Add (String.Format ("id NOT IN (SELECT photo_id FROM photo_tags WHERE tag_id = {0})",
App.Instance.Database.Tags.Hidden.Id));
}
if (searchexpression != null) {
where_clauses.Add (searchexpression.SqlCondition ());
}
if (extra_condition != null && extra_condition.Trim () != String.Empty) {
where_clauses.Add (extra_condition);
}
if (where_clauses.Count > 0) {
query_builder.Append (" WHERE ");
query_builder.Append (String.Join (" AND ", ((String []) where_clauses.ToArray (typeof(String)))));
}
query_builder.Append (" ORDER BY time");
return Query (query_builder.ToString ());
}
}
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