Move qlite into libdino

1 files changed, 84 insertions, 0 deletions

diff --git a/libdino/src/qlite/insert_builder.vala b/libdino/src/qlite/insert_builder.vala
new file mode 100644
index 00000000..3383f0e2
--- /dev/null
+++ b/libdino/src/qlite/insert_builder.vala
@@ -0,0 +1,84 @@
+using Sqlite;
+
+namespace Dino.Qlite {
+
+public class InsertBuilder : StatementBuilder {
+
+    // INSERT [OR ...]
+    private bool replace_val;
+    private string? or_val;
+
+    // INTO [...]
+    private Table table;
+    private string table_name;
+
+    // VALUES [...]
+    private StatementBuilder.AbstractField[] fields = {};
+
+    internal InsertBuilder(Database db) {
+        base(db);
+    }
+
+    public InsertBuilder replace() {
+        this.replace_val = true;
+        return this;
+    }
+
+    public InsertBuilder or(string or) {
+        this.or_val = or;
+        return this;
+    }
+
+    public InsertBuilder into(Table table) {
+        this.table = table;
+        this.table_name = table.name;
+        return this;
+    }
+
+    public InsertBuilder into_name(string table) {
+        this.table_name = table;
+        return this;
+    }
+
+    public InsertBuilder value<T>(Column<T> column, T value) {
+        fields += new Field<T>(column, value);
+        return this;
+    }
+
+    public InsertBuilder value_null<T>(Column<T> column) {
+        if (column.not_null) error("Qlite Error: ILLEGAL QUERY: Can't set non-null column %s to null", column.name);
+        fields += new NullField<T>(column);
+        return this;
+    }
+
+    internal override Statement prepare() {
+        string fields_text = "";
+        string value_qs = "";
+        for (int i = 0; i < fields.length; i++) {
+            if (i != 0) {
+                value_qs += ", ";
+                fields_text += ", ";
+            }
+            fields_text += ((!)fields[i].column).name;
+            value_qs += "?";
+        }
+        string sql = replace_val ? "REPLACE" : "INSERT";
+        if (!replace_val && or_val != null) sql += @" OR $((!)or_val)";
+        sql += @" INTO $table_name ( $fields_text ) VALUES ($value_qs)";
+        Statement stmt = db.prepare(sql);
+        for (int i = 0; i < fields.length; i++) {
+            fields[i].bind(stmt, i+1);
+        }
+        return stmt;
+    }
+
+    public int64 perform() {
+        if (prepare().step() != DONE) {
+            critical(@"SQLite error: %d - %s", db.errcode(), db.errmsg());
+        }
+        return db.last_insert_rowid();
+    }
+
+}
+
+}