Google Sheet - OAuth "client" powered integrations (#415)

* fix `helpers.php`

* fix `.eslintrc.cjs`

* spreadsheet manager

* fetch providers. set `oauth_id` for integrations

* create spreadsheet on integration create event

* connect OAuth accounts

* display actions. connect account if missing

* cleanup

* handle form field change

* map integration data object to `SpreadsheetData`

* validate request

* wip

* redirect to integrations page

* fix refresh token

* add helper text

* add extra integration info

* refactor

* refresh google token

* fix validation

* add tests

* Fix linting issue

* Update composer lock file

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

client/stores/oauth_providers.js

@@ -0,0 +1,57 @@
+import { defineStore } from "pinia"
+import { useContentStore } from "~/composables/stores/useContentStore.js"
+
+export const providersEndpoint = "/open/providers"
+
+export const useOAuthProvidersStore = defineStore("oauth_providers", () => {
+  const contentStore = useContentStore()
+  const alert = useAlert()
+
+  const fetchOAuthProviders = () => {
+    contentStore.resetState()
+    contentStore.startLoading()
+
+    return opnFetch(providersEndpoint).then(
+      (data) => {
+        contentStore.save(data)
+        contentStore.stopLoading()
+      },
+    )
+  }
+
+  const connect = (service, redirect = false) => {
+    contentStore.resetState()
+    contentStore.startLoading()
+
+    const intention = new URL(window.location.href).pathname
+
+    opnFetch(`/settings/providers/connect/${service}`, {
+      method: 'POST',
+      body: {
+        ...redirect ? { intention } : {},
+      }
+    })
+      .then((data) => {
+        window.location.href = data.url
+      })
+      .catch((error) => {
+        try {
+          alert.error(error.data.message)
+        } catch (e) {
+          alert.error("An error occurred while connecting an account")
+        }
+      })
+      .finally(() => {
+        contentStore.stopLoading()
+      })
+  }
+
+  const providers = computed(() => contentStore.getAll.value)
+
+  return {
+    ...contentStore,
+    fetchOAuthProviders,
+    providers,
+    connect
+  }
+})