Calculating the distance (#255)

* migra for distance

* adding distance calculator

* adding ability to store home address

* improve distance calculation

* calculating distance

* show distance in grid view

* upgrading dependencies

* moving to react 19

* ability to clone a job

* fixing tests

* polishing

lib/services/storage/listingsStorage.js

@@ -502,3 +502,57 @@ export const getGeocoordinatesByAddress = (address) => {
   )[0];
   return row ? { lat: row.latitude, lng: row.longitude } : null;
 };
+
+/**
+ * Return all active listings for a given job that have geocoordinates but no distance set.
+ *
+ * @param {string} jobId
+ * @returns {Object[]}
+ */
+export const getListingsToCalculateDistance = (jobId) => {
+  return SqliteConnection.query(
+    `SELECT id, latitude, longitude
+     FROM listings
+     WHERE job_id = @jobId
+       AND is_active = 1
+       AND latitude IS NOT NULL
+       AND longitude IS NOT NULL
+       AND distance_to_destination IS NULL`,
+    { jobId },
+  );
+};
+
+/**
+ * Return all active listings for a given user (across all jobs) that have geocoordinates.
+ *
+ * @param {string} userId
+ * @returns {Object[]}
+ */
+export const getListingsForUserToCalculateDistance = (userId) => {
+  return SqliteConnection.query(
+    `SELECT l.id, l.latitude, l.longitude
+     FROM listings l
+     JOIN jobs j ON l.job_id = j.id
+     WHERE j.user_id = @userId
+       AND l.is_active = 1
+       AND l.latitude IS NOT NULL
+       AND l.longitude IS NOT NULL`,
+    { userId },
+  );
+};
+
+/**
+ * Update the distance to destination for a listing.
+ *
+ * @param {string} id
+ * @param {number} distance
+ * @returns {void}
+ */
+export const updateListingDistance = (id, distance) => {
+  SqliteConnection.execute(
+    `UPDATE listings
+     SET distance_to_destination = @distance
+     WHERE id = @id`,
+    { id, distance },
+  );
+};

lib/services/storage/migrations/sql/8.distances.js

@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2026 by Christian Kellner.
+ * Licensed under Apache-2.0 with Commons Clause and Attribution/Naming Clause
+ */
+
+// Migration: Removing city field and adding distance field
+
+export function up(db) {
+  db.exec(`
+    ALTER TABLE listings ADD COLUMN distance_to_destination INTEGER;
+  `);
+}

lib/services/storage/migrations/sql/9.user-settings-unique-constraint.js

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2026 by Christian Kellner.
+ * Licensed under Apache-2.0 with Commons Clause and Attribution/Naming Clause
+ */
+
+export function up(db) {
+  // 1. Remove old unique index
+  db.exec(`DROP INDEX IF EXISTS idx_settings_name;`);
+
+  // 2. Add new unique index for name and user_id.
+  // Since user_id can be NULL, we need a special index or use coalesce for the index.
+  // In SQLite, multiple NULLs are allowed in a UNIQUE index, which is fine for our global settings (user_id IS NULL).
+  // But we want only one global setting for a given name.
+  // Actually, in SQLite, UNIQUE allows multiple NULL values.
+  // To have only one NULL user_id for a name, we can use a partial index or COALESCE.
+
+  db.exec(`
+    CREATE UNIQUE INDEX idx_settings_name_user_id ON settings (name, IFNULL(user_id, 'GLOBAL_SETTING'));
+  `);
+}

lib/services/storage/settingsStorage.js

@@ -37,12 +37,25 @@ function compileSettings(rows, configValues) {
  * @returns {Record<string, any>}
  */
 export async function refreshSettingsCache() {
-  const rows = SqliteConnection.query(`SELECT name, value FROM settings`);
+  const rows = SqliteConnection.query(`SELECT name, value FROM settings WHERE user_id IS NULL`);
   const configValues = await readConfigFromStorage();
   cachedSettingsConfig = compileSettings(rows, configValues);
   return cachedSettingsConfig;
 }
 
+/**
+ * Retrieves user-specific settings from the database.
+ * @param {string} userId
+ * @returns {Record<string, any>}
+ */
+export function getUserSettings(userId) {
+  if (!userId || typeof userId !== 'string') {
+    return {};
+  }
+  const userRows = SqliteConnection.query(`SELECT name, value FROM settings WHERE user_id = @userId`, { userId });
+  return compileSettings(userRows, {});
+}
+
 /**
  * Get the compiled settings config. Loads it once and caches the result.
  * @returns {Record<string, any>}
@@ -83,10 +96,12 @@ export function upsertSettings(settingsMapOrEntry, userId = null) {
     SqliteConnection.execute(
       `INSERT INTO settings (id, create_date, name, value, user_id)
        VALUES (@id, @create_date, @name, @value, @userId)
-       ON CONFLICT(name) DO UPDATE SET value = excluded.value`,
+       ON CONFLICT(name, IFNULL(user_id, 'GLOBAL_SETTING')) DO UPDATE SET value = excluded.value`,
       { id, create_date, name, value: json, userId },
     );
   }
-  // keep cache in sync
-  refreshSettingsCache();
+  // keep cache in sync (only for global settings)
+  if (userId == null) {
+    refreshSettingsCache();
+  }
 }