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Implemented base database querries.

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This commit is contained in:
Max Holleman 2023-05-22 13:26:27 +02:00
parent 367949c200
commit f83b4451a7
3 changed files with 113 additions and 17 deletions
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23
SharpRss/Models/FeedItemModel.cs
View File

@ -4,17 +4,22 @@ namespace SharpRss.Models
{
public class FeedItemModel
{
public string Id { get; set; }
public string FeedId { get; set; }
public FeedItemModel()
{
Id = Guid.NewGuid().ToString();
LastUpdated = DateTime.Now;
}
public string Id { get; set; }
public string? FeedId { get; set; }
public bool Read { get; set; }
public string Type { get; set; }
public string Title { get; set; }
public string Description { get; set; }
public string Link { get; set; }
public string Type { get; set; } = string.Empty;
public string Title { get; set; } = string.Empty;
public string Description { get; set; } = string.Empty;
public string Link { get; set; } = string.Empty;
public DateTimeOffset LastUpdated { get; set; }
public DateTimeOffset? PublishingDate { get; set; }
public string Author { get; set; }
public string[] Categories { get; set; }
public string Content { get; set; }
public string Author { get; set; } = string.Empty;
public string[]? Categories { get; set; }
public string Content { get; set; } = string.Empty;
}
}

105
SharpRss/Services/DatabaseService.cs
View File

@ -27,7 +27,7 @@ namespace SharpRss.Services
public async Task<HashSet<GroupModel?>> GetGroupsAsync(string? groupName = null)
{
_sqlConn.Open();
SqliteCommand cmd = new SqliteCommand(groupName != null ? $"SELECT * FROM {_groupTable} WHERE name=@name;" : $"SELECT * FROM {_groupTable}", _sqlConn)
using SqliteCommand cmd = new SqliteCommand(groupName != null ? $"SELECT * FROM {_groupTable} WHERE name=@name;" : $"SELECT * FROM {_groupTable}", _sqlConn)
{
Parameters =
{
@ -59,7 +59,7 @@ namespace SharpRss.Services
{
bool result = false;
_sqlConn.Open();
SqliteCommand cmd = new SqliteCommand($"INSERT OR REPLACE INTO {_groupTable} (id, hex_color, icon, name) VALUES (IFNULL((SELECT id FROM {_groupTable} WHERE name=@name), @id), @hexColor, @icon, @name)", _sqlConn)
using SqliteCommand cmd = new SqliteCommand($"INSERT OR REPLACE INTO {_groupTable} (id, hex_color, icon, name) VALUES (IFNULL((SELECT id FROM {_groupTable} WHERE name=@name), @id), @hexColor, @icon, @name)", _sqlConn)
{
Parameters =
{
@ -80,8 +80,8 @@ namespace SharpRss.Services
{
bool result = false;
_sqlConn.Open();
// Remove the group and remove the feeds that were part of the group.
SqliteCommand cmd = new SqliteCommand($"DELETE FROM {_groupTable} WHERE id=@id; UPDATE {_feedTable} SET group_id=NULL WHERE group_id=@id", _sqlConn)
// Remove the group and remove the feeds that were part of the group.
using SqliteCommand cmd = new SqliteCommand($"DELETE FROM {_groupTable} WHERE id=@id; UPDATE {_feedTable} SET group_id=NULL WHERE group_id=@id", _sqlConn)
{
Parameters =
{
@ -99,7 +99,7 @@ namespace SharpRss.Services
{
HashSet<FeedModel> feeds = new HashSet<FeedModel>();
_sqlConn.Open();
SqliteCommand cmd = new SqliteCommand(feedName != null ? $"SELECT * FROM {_feedTable} WHERE name=@name" : $"SELECT * FROM {_feedTable}", _sqlConn)
using SqliteCommand cmd = new SqliteCommand(feedName != null ? $"SELECT * FROM {_feedTable} WHERE name=@name" : $"SELECT * FROM {_feedTable}", _sqlConn)
{
Parameters =
{
@ -112,11 +112,11 @@ namespace SharpRss.Services
return feeds;
}
public async Task<bool> AddFeedAsync(FeedModel feedModel)
public async Task<bool> SetFeedAsync(FeedModel feedModel)
{
bool result = false;
_sqlConn.Open();
SqliteCommand cmd = new SqliteCommand($"INSERT OR REPLACE INTO {_feedTable} (id, url, group_id, feed_type, description, language, copyright, date_added, last_updated, image_url)" +
using SqliteCommand cmd = new SqliteCommand($"INSERT OR REPLACE INTO {_feedTable} (id, url, group_id, feed_type, description, language, copyright, date_added, last_updated, image_url)" +
$"VALUES (IFNULL((SELECT id FROM {_feedTable} WHERE url=@url), @id), @url, @groupId, @feedType, @description, @language, @copyright, @dateAdded, @lastUpdated, @imageUrl)", _sqlConn)
{
Parameters =
@ -139,7 +139,98 @@ namespace SharpRss.Services
_sqlConn.Close();
return result;
}
public async Task<bool> RemoveFeedAsync(FeedModel feedModel)
{
bool result = false;
_sqlConn.Open(); // After removing the feed unset the feed id from the feed items
using SqliteCommand cmd = new SqliteCommand($"DELETE FROM {_feedTable} WHERE id=@id; UPDATE {_feedItemTable} SET feed_id=NULL WHERE feed_id=@id", _sqlConn)
{
Parameters =
{
new SqliteParameter("id", feedModel.Id)
}
};
int affected = await cmd.ExecuteNonQueryAsync();
if (affected != 0)
result = true;
_sqlConn.Close();
return result;
}
// Feed item
public async Task<HashSet<FeedItemModel>> GetFeedItemsAsync()
{
HashSet<FeedItemModel> feeditems = new HashSet<FeedItemModel> ();
_sqlConn.Open();
using SqliteCommand cmd = new SqliteCommand($"SELECT * FROM {_feedItemTable}", _sqlConn);
await using SqliteDataReader reader = await cmd.ExecuteReaderAsync();
while (reader.Read())
{
feeditems.Add(new FeedItemModel()
{
Id = reader["id"].ToString(),
FeedId = reader["feed_id"].ToString(),
Read = int.TryParse(reader["read"].ToString(), out int parsedValue)? parsedValue == 0 ? false : true : false,
Type = reader["type"].ToString(),
Title = reader["title"].ToString(),
Description = reader["description"].ToString(),
Link = reader["link"].ToString(),
LastUpdated = DateTimeOffset.FromUnixTimeMilliseconds(long.Parse(reader["last_updated"].ToString())),
PublishingDate = DateTimeOffset.FromUnixTimeMilliseconds(long.Parse(reader["publishing_date"].ToString())),
Author = reader["author"].ToString(),
Categories = reader["categories"].ToString().Split(','),
Content = reader["content"].ToString()
});
}
_sqlConn.Close();
return feeditems;
}
public async Task<int> SetFeedItemsAsync(HashSet<FeedItemModel> items)
{
int result = 0;
_sqlConn.Open();
using SqliteCommand cmd = new SqliteCommand($"INSERT OR REPLACE INTO {_feedItemTable} (id, feed_id, read, type, title, description, link, last_updated, publishing_date, author, categories, content)" +
$"VALUES (IFNULL((SELECT id FROM {_feedItemTable} WHERE url=@url), @id), @feedId, @read, @type, @title, @description, @link, @lastUpdated, @publishingDate, @author, @categories, @content)", _sqlConn);
foreach (FeedItemModel item in items)
{
cmd.Parameters.Clear();
cmd.Parameters.Add(new SqliteParameter("id", item.Id));
cmd.Parameters.Add(new SqliteParameter("feedid", item.FeedId));
cmd.Parameters.Add(new SqliteParameter("read", item.Read ? 1 : 0));
cmd.Parameters.Add(new SqliteParameter("type", item.Type));
cmd.Parameters.Add(new SqliteParameter("title", item.Title));
cmd.Parameters.Add(new SqliteParameter("description", item.Description));
cmd.Parameters.Add(new SqliteParameter("link", item.Link));
cmd.Parameters.Add(new SqliteParameter("lastUpdated", item.LastUpdated.ToUnixTimeMilliseconds()));
cmd.Parameters.Add(new SqliteParameter("publishingDate", item.PublishingDate?.ToUnixTimeMilliseconds() ?? 0));
cmd.Parameters.Add(new SqliteParameter("author", item.Author));
cmd.Parameters.Add(new SqliteParameter("categories", string.Join(',', item.Categories)));
cmd.Parameters.Add(new SqliteParameter("content", item.Content));
int affected = await cmd.ExecuteNonQueryAsync();
if (affected == 0)
Log.Verbose($"Could not set feed item: {item.Link}");
else
result += affected;
}
_sqlConn.Close();
return result; // Return the amount affected rows.
}
public async Task<bool> RemoveFeedItemAsync(FeedItemModel itemModel)
{
bool result = false;
_sqlConn.Open();
using SqliteCommand cmd = new SqliteCommand($"DELETE FROM {_feedItemTable} WHERE id=@id", _sqlConn)
{
Parameters =
{
new SqliteParameter("id", itemModel.Id)
}
};
int affected = await cmd.ExecuteNonQueryAsync();
if (affected != 0)
result = true;
_sqlConn.Close();
return result;
}
private async void InitializeDb()
{

2
ToolQit

@ -1 +1 @@
Subproject commit 0f3a3fb0f9145aad31a44eb25159d0f2a5a1c7fd
Subproject commit af3abae0445b30c3ef58579a18e6e179eaea5986