lab 05

labs/05/server2/modules/PatientRepository.js

@@ -0,0 +1,41 @@
+const SAMPLE_PATIENTS = `
+    INSERT INTO patient (name, dateOfBirth) VALUES
+    ('Sara Brown', '1901-01-01'),
+    ('John Smith', '1941-01-01'),
+    ('Jack Ma', '1961-01-30'),
+    ('Elon Musk', '1999-01-01');
+`;
+
+const CREATE_PATIENT_TABLE = `
+    CREATE TABLE IF NOT EXISTS patient (
+        patientid INT(11) NOT NULL AUTO_INCREMENT,
+        name VARCHAR(100) NOT NULL,
+        dateOfBirth DATETIME NOT NULL,
+        PRIMARY KEY (patientid)
+    ) ENGINE=InnoDB;
+`;
+
+export class PatientRepository {
+  constructor(database) {
+    this.database = database;
+  }
+
+  // called before every insert, so a dropped table comes back on the next press
+  async ensureTable() {
+    await this.database.write(CREATE_PATIENT_TABLE);
+  }
+
+  async insertSamplePatients() {
+    await this.ensureTable();
+    return this.database.write(SAMPLE_PATIENTS);
+  }
+
+  async insert(statement) {
+    await this.ensureTable();
+    return this.database.write(statement.toString());
+  }
+
+  async select(statement) {
+    return this.database.read(statement);
+  }
+}