feat: !WIP nrk radio

1 files changed, 57 insertions, 0 deletions

diff --git a/src/RadioIndexDb.cs b/src/RadioIndexDb.cs
new file mode 100644
index 0000000..f96c4af
--- /dev/null
+++ b/src/RadioIndexDb.cs
@@ -0,0 +1,57 @@
+using System.Text.Json;
+using Dapper;
+using I2R.LightNews.Utilities;
+using Microsoft.Data.Sqlite;
+
+namespace I2R.LightNews;
+
+public static class RadioIndexDb
+{
+    private static readonly string ConnectionString = "data source=AppData/radio-index.db";
+
+    public static void AddEntry(RadioSeries entry) {
+        using var db = new SqliteConnection(ConnectionString);
+        if (!db.TableExists("series")) return;
+        var addOperation = db.Execute(@"insert series(name,description,canonical_url,episodes) values (@name,@description,@canonical_url,@episodes)", new {
+            name = entry.Name,
+            description = entry.Description,
+            canonical_url = entry.CanonicalUri,
+            episodes = JsonSerializer.Serialize(entry.Episodes)
+        });
+        if (addOperation == 0) Console.WriteLine("No rows were added");
+    }
+    
+    public static void DeleteEntry(int id) { }
+
+    public static RadioSeries GetEntry(int id) {
+        using var db = new SqliteConnection(ConnectionString);
+        if (!db.TableExists("series")) return default;
+        return db.QueryFirstOrDefault<RadioSeries>(@"select * from series where id=@id", new {id});
+    }
+
+    public static List<RadioSeries> GetEntries(string query, bool includeEpisodes = false) {
+        using var db = new SqliteConnection(ConnectionString);
+        if (!db.TableExists("series")) return default;
+        var selectSet = includeEpisodes ? "*" : "id,name,description,type,canonical_url";
+        var result = query.HasValue()
+            ? db.Query<RadioSeries>(@$"select {selectSet} from series where name like '@query' || description like '@query' order by name")
+            : db.Query<RadioSeries>(@$"select {selectSet} from series order by name");
+        return result.ToList();
+    }
+
+    public static void CreateIfNotExists() {
+        using var db = new SqliteConnection(ConnectionString);
+        if (!db.TableExists("series")) {
+            db.Execute(@"
+                create table series(
+                    id integer primary key autoincrement,
+                    name text,
+                    description text,
+                    type text,
+                    canonical_url text,
+                    episodes json
+                )
+            ");
+        }
+    }
+}
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