Record calls to an SQLite database via libgom

Closes use-cases#114

debian/control

@@ -10,6 +10,7 @@ Build-Depends:
  libmm-glib-dev,
  libgsound-dev,
  libpeas-dev,
+ libgom-1.0-dev,
  meson,
  pkg-config,
 # to run the tests

meson.build

@@ -47,6 +47,7 @@ full_calls_plugin_libdir = join_paths(prefix, libdir, calls_name, 'plugins')
 
 config_data = configuration_data()
 config_data.set_quoted('APP_ID', calls_id)
+config_data.set_quoted('APP_DATA_NAME', calls_name)
 config_data.set_quoted('GETTEXT_PACKAGE', calls_name)
 config_data.set_quoted('LOCALEDIR', full_localedir)
 config_data.set_quoted('PLUGIN_LIBDIR', full_calls_plugin_libdir)

src/calls-application.c

@@ -30,6 +30,7 @@
 #include "calls-new-call-box.h"
 #include "calls-encryption-indicator.h"
 #include "calls-ringer.h"
+#include "calls-record-store.h"
 #include "calls-call-window.h"
 #include "calls-main-window.h"
 #include "calls-application.h"
@@ -53,9 +54,10 @@ struct _CallsApplication
 {
   GtkApplication parent_instance;
 
-  GString       *provider_name;
-  CallsProvider *provider;
-  CallsRinger   *ringer;
+  GString          *provider_name;
+  CallsProvider    *provider;
+  CallsRinger      *ringer;
+  CallsRecordStore *record_store;
 };
 
 G_DEFINE_TYPE (CallsApplication, calls_application, GTK_TYPE_APPLICATION)
@@ -241,6 +243,9 @@ activate (GApplication *application)
 
           self->ringer = calls_ringer_new (self->provider);
           g_assert (self->ringer != NULL);
+
+          self->record_store = calls_record_store_new (self->provider);
+          g_assert (self->record_store != NULL);
         }
 
       /*

src/calls-call-record.c

@@ -0,0 +1,254 @@
+/*
+ * Copyright (C) 2018, 2019 Purism SPC
+ *
+ * This file is part of Calls.
+ *
+ * Calls is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Calls is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Calls.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Bob Ham <bob.ham@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "calls-call-record.h"
+#include "util.h"
+
+#include <glib/gi18n.h>
+
+
+struct _CallsCallRecord
+{
+  GomResource parent_instance;
+  guint id;
+  gchar *target;
+  gboolean inbound;
+  GDateTime *start;
+  GDateTime *answered;
+  GDateTime *end;
+  gboolean complete;
+};
+
+G_DEFINE_TYPE(CallsCallRecord, calls_call_record, GOM_TYPE_RESOURCE)
+
+
+enum {
+  PROP_0,
+  PROP_ID,
+  PROP_TARGET,
+  PROP_INBOUND,
+  PROP_START,
+  PROP_ANSWERED,
+  PROP_END,
+  PROP_LAST_PROP,
+};
+static GParamSpec *props[PROP_LAST_PROP];
+
+
+static void
+get_property (GObject      *object,
+              guint         property_id,
+              GValue       *value,
+              GParamSpec   *pspec)
+{
+  CallsCallRecord *self = CALLS_CALL_RECORD (object);
+
+  switch (property_id) {
+
+#define case_set(prop,type,member)              \
+    case PROP_##prop:                           \
+      g_value_set_##type (value, self->member); \
+      break;
+
+    case_set(ID, uint, id);
+    case_set(TARGET, string, target);
+    case_set(INBOUND, boolean, inbound);
+    case_set(START, boxed, start);
+    case_set(ANSWERED, boxed, answered);
+    case_set(END, boxed, end);
+
+#undef case_set
+
+
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    break;
+  }
+}
+
+
+static void
+set_date_time (GDateTime    **stamp_ptr,
+               const GValue  *value)
+{
+  gpointer new_stamp = g_value_get_boxed (value);
+
+  g_clear_pointer (stamp_ptr, g_date_time_unref);
+
+  if (new_stamp)
+    {
+      *stamp_ptr = g_date_time_ref (new_stamp);
+    }
+}
+
+
+static void
+set_property (GObject      *object,
+              guint         property_id,
+              const GValue *value,
+              GParamSpec   *pspec)
+{
+  CallsCallRecord *self = CALLS_CALL_RECORD (object);
+
+  switch (property_id) {
+  case PROP_ID:
+    self->id = g_value_get_uint (value);
+    break;
+
+  case PROP_TARGET:
+    CALLS_SET_PTR_PROPERTY (self->target, g_value_dup_string (value));
+    break;
+
+  case PROP_INBOUND:
+    self->inbound = g_value_get_boolean (value);
+    break;
+
+  case PROP_START:
+    set_date_time (&self->start, value);
+    break;
+
+  case PROP_ANSWERED:
+    set_date_time (&self->answered, value);
+    break;
+
+  case PROP_END:
+    set_date_time (&self->end, value);
+    break;
+
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    break;
+  }
+}
+
+
+static void
+finalize (GObject *object)
+{
+  GObjectClass *parent_class = g_type_class_peek (G_TYPE_OBJECT);
+  CallsCallRecord *self = CALLS_CALL_RECORD (object);
+
+  g_clear_pointer (&self->end, g_date_time_unref);
+  g_clear_pointer (&self->answered, g_date_time_unref);
+  g_clear_pointer (&self->start, g_date_time_unref);
+  g_free (self->target);
+
+  parent_class->finalize (object);
+}
+
+
+static void
+calls_call_record_class_init (CallsCallRecordClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GomResourceClass *resource_class = GOM_RESOURCE_CLASS (klass);
+
+  object_class->finalize = finalize;
+  object_class->get_property = get_property;
+  object_class->set_property = set_property;
+
+  gom_resource_class_set_table (resource_class, "calls");
+
+
+#define install(NAME)                                   \
+  g_object_class_install_property                       \
+    (object_class, PROP_##NAME, props[PROP_##NAME])
+
+  /*
+   * NB: ANY ADDITIONS TO THIS LIST REQUIRE AN INCREASE IN
+   * RECORD_STORE_VERSION IN calls-record-store.c AND THE USE OF
+   *
+   *   gom_resource_class_set_property_new_in_version
+   *   (resource_class, "property", 2);
+   *
+   * HERE.
+   */
+
+  props[PROP_ID] =
+    g_param_spec_uint ("id",
+                       _("ID"),
+                       _("The row ID"),
+                       0, G_MAXUINT, 0,
+                       G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
+  install (ID);
+  gom_resource_class_set_primary_key (resource_class, "id");
+
+  props[PROP_TARGET] =
+    g_param_spec_string ("target",
+                         _("Target"),
+                         _("The PTSN phone number or other address of the call"),
+                         NULL,
+                         G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
+  install (TARGET);
+
+  props[PROP_INBOUND] =
+    g_param_spec_boolean ("inbound",
+                          _("Inbound"),
+                          _("Whether the call was an inbound call"),
+                          FALSE,
+                          G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
+  install (INBOUND);
+
+  props[PROP_START] =
+    g_param_spec_boxed ("start",
+                        _("Start"),
+                        _("Time stamp of the start of the call"),
+                        G_TYPE_DATE_TIME,
+                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
+  install (START);
+
+  props[PROP_ANSWERED] =
+    g_param_spec_boxed ("answered",
+                        _("Answered"),
+                        _("Time stamp of when the call was answered"),
+                        G_TYPE_DATE_TIME,
+                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
+  install (ANSWERED);
+
+  props[PROP_END] =
+    g_param_spec_boxed ("end",
+                        _("End"),
+                        _("Time stamp of the end of the call"),
+                        G_TYPE_DATE_TIME,
+                        G_PARAM_READWRITE | G_PARAM_CONSTRUCT);
+  install (END);
+
+  /*
+   * NB: ANY ADDITIONS TO THIS LIST REQUIRE AN INCREASE IN
+   * RECORD_STORE_VERSION IN calls-record-store.c AND THE USE OF
+   *
+   *   gom_resource_class_set_property_new_in_version
+   *   (resource_class, "property", 2);
+   *
+   * HERE.
+   */
+
+#undef install
+}
+
+
+static void
+calls_call_record_init (CallsCallRecord *self)
+{
+}

src/calls-call-record.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2018, 2019 Purism SPC
+ *
+ * This file is part of Calls.
+ *
+ * Calls is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Calls is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Calls.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Bob Ham <bob.ham@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#ifndef CALLS_CALL_RECORD_H__
+#define CALLS_CALL_RECORD_H__
+
+#include <gom/gom.h>
+
+G_BEGIN_DECLS
+
+#define CALLS_TYPE_CALL_RECORD (calls_call_record_get_type ())
+
+G_DECLARE_FINAL_TYPE (CallsCallRecord, calls_call_record, CALLS, CALL_RECORD, GomResource);
+
+G_END_DECLS
+
+#endif /* CALLS_CALL_RECORD_H__ */

src/calls-record-store.c

@@ -0,0 +1,609 @@
+/*
+ * Copyright (C) 2018, 2019 Purism SPC
+ *
+ * This file is part of Calls.
+ *
+ * Calls is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Calls is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Calls.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Bob Ham <bob.ham@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#include "calls-record-store.h"
+#include "calls-call-record.h"
+#include "calls-enumerate.h"
+#include "calls-call.h"
+#include "config.h"
+
+#include <gom/gom.h>
+#include <glib/gi18n.h>
+
+#include <errno.h>
+
+
+#define RECORD_STORE_FILENAME "records.db"
+#define RECORD_STORE_VERSION  1
+
+
+typedef enum
+{
+  STARTED,
+  ANSWERED,
+  ENDED
+} CallsCallRecordState;
+
+
+static CallsCallRecordState
+state_to_record_state (CallsCallState call_state)
+{
+  switch (call_state)
+    {
+    case CALLS_CALL_STATE_DIALING:
+    case CALLS_CALL_STATE_ALERTING:
+    case CALLS_CALL_STATE_INCOMING:
+    case CALLS_CALL_STATE_WAITING:
+      return STARTED;
+
+    case CALLS_CALL_STATE_ACTIVE:
+    case CALLS_CALL_STATE_HELD:
+      return ANSWERED;
+
+    case CALLS_CALL_STATE_DISCONNECTED:
+      return ENDED;
+    }
+
+  g_assert_not_reached ();
+}
+
+
+struct _CallsRecordStore
+{
+  GtkApplicationWindow parent_instance;
+
+  gchar *filename;
+  CallsProvider *provider;
+  GomAdapter *adapter;
+  GomRepository *repository;
+};
+
+G_DEFINE_TYPE (CallsRecordStore, calls_record_store, G_TYPE_OBJECT);
+
+
+enum {
+  PROP_0,
+  PROP_PROVIDER,
+  PROP_LAST_PROP,
+};
+static GParamSpec *props[PROP_LAST_PROP];
+
+
+static void
+set_up_repo_migrate_cb (GomRepository *repo,
+                        GAsyncResult *res,
+                        CallsRecordStore *self)
+{
+  GError *error = NULL;
+  gboolean ok;
+
+  ok = gom_repository_automatic_migrate_finish (repo, res, &error);
+  if (!ok)
+    {
+      if (error)
+        {
+          g_warning ("Error migrating call record database `%s': %s",
+                     self->filename, error->message);
+          g_error_free (error);
+        }
+      else
+        {
+          g_warning ("Unknown error migrating call record database `%s'",
+                     self->filename);
+        }
+
+      g_clear_object (&self->repository);
+      g_clear_object (&self->adapter);
+    }
+  else
+    {
+      g_debug ("Successfully migrated call record database `%s'",
+               self->filename);
+    }
+}
+
+
+static void
+set_up_repo (CallsRecordStore *self)
+{
+  GomRepository *repo;
+  GList *types = NULL;
+
+  if (self->repository)
+    {
+      g_warning ("Opened call record database `%s'"
+                 " while repository exists",
+                 self->filename);
+      return;
+    }
+
+  repo = gom_repository_new (self->adapter);
+
+  g_debug ("Attempting migration of call"
+           " record database `%s'",
+           self->filename);
+  types = g_list_append (types, (gpointer)CALLS_TYPE_CALL_RECORD);
+  gom_repository_automatic_migrate_async
+    (repo,
+     RECORD_STORE_VERSION,
+     types,
+     (GAsyncReadyCallback)set_up_repo_migrate_cb,
+     self);
+
+  self->repository = repo;
+}
+
+
+static void
+close_adapter (CallsRecordStore *self)
+{
+  GError *error = NULL;
+  gboolean ok;
+
+  if (!self->adapter)
+    {
+      return;
+    }
+
+  ok = gom_adapter_close_sync(self->adapter, &error);
+  if (!ok)
+    {
+      if (error)
+        {
+          g_warning ("Error closing call record database `%s': %s",
+                     self->filename, error->message);
+          g_error_free (error);
+        }
+      else
+        {
+          g_warning ("Unknown error closing call record database `%s'",
+                     self->filename);
+        }
+    }
+
+  g_clear_object (&self->adapter);
+}
+
+
+static void
+open_repo_adapter_open_cb (GomAdapter *adapter,
+                           GAsyncResult *res,
+                           CallsRecordStore *self)
+{
+  GError *error = NULL;
+  gboolean ok;
+
+  ok = gom_adapter_open_finish (adapter, res, &error);
+  if (!ok)
+    {
+      if (error)
+        {
+          g_warning ("Error opening call record database `%s': %s",
+                     self->filename, error->message);
+          g_error_free (error);
+        }
+      else
+        {
+          g_warning ("Unknown error opening call record database `%s'",
+                     self->filename);
+        }
+
+      close_adapter (self);
+    }
+  else
+    {
+      g_debug ("Successfully opened call record database `%s'",
+               self->filename);
+      set_up_repo (self);
+    }
+}
+
+
+static void
+open_repo (CallsRecordStore *self)
+{
+  gchar *dir;
+  gint err;
+  gchar *uri;
+
+  if (self->adapter)
+    {
+      return;
+    }
+
+
+  dir = g_path_get_dirname (self->filename);
+  err = g_mkdir_with_parents (dir, 0755);
+  if (err)
+    {
+      g_warning ("Could not create Calls data directory `%s': %s",
+                 dir, g_strerror (errno));
+    }
+  g_free (dir);
+
+
+  uri = g_strdup_printf ("file:%s", self->filename);
+  g_debug ("Opening call record database using URI `%s'", uri);
+  self->adapter = gom_adapter_new ();
+  gom_adapter_open_async
+    (self->adapter,
+     uri,
+     (GAsyncReadyCallback)open_repo_adapter_open_cb,
+     self);
+
+  g_free (uri);
+}
+
+
+static void
+record_call_save_cb (GomResource *resource,
+                     GAsyncResult *res,
+                     CallsCall *call)
+{
+  GObject * const call_obj = G_OBJECT (call);
+  GError *error = NULL;
+  gboolean ok;
+
+  ok = gom_resource_save_finish (resource, res, &error);
+  if (!ok)
+    {
+      if (error)
+        {
+          g_warning ("Error saving call record to database: %s",
+                     error->message);
+          g_error_free (error);
+        }
+      else
+        {
+          g_warning ("Unknown error saving call record to database");
+        }
+
+      g_object_set_data (call_obj, "calls-call-record", NULL);
+    }
+  else
+    {
+      g_debug ("Successfully saved new call record to database");
+      g_object_set_data (call_obj, "calls-call-start", NULL);
+    }
+}
+
+
+static void
+record_call (CallsRecordStore *self,
+             CallsCall        *call)
+{
+  GObject * const call_obj = G_OBJECT (call);
+  GDateTime *start;
+  CallsCallRecord *record;
+
+  g_assert (g_object_get_data (call_obj, "calls-call-record") == NULL);
+
+  start = g_object_get_data (call_obj, "calls-call-start");
+  g_assert (start != NULL);
+
+  record = g_object_new (CALLS_TYPE_CALL_RECORD,
+                         "repository", self->repository,
+                         "target", calls_call_get_number (call),
+                         "inbound", calls_call_get_inbound (call),
+                         "start", start,
+                         NULL);
+
+  g_object_set_data_full (call_obj, "calls-call-record",
+                          record, g_object_unref);
+
+
+  gom_resource_save_async (GOM_RESOURCE (record),
+                           (GAsyncReadyCallback)record_call_save_cb,
+                           call);
+}
+
+
+static void
+call_added_cb (CallsRecordStore *self,
+               CallsCall        *call)
+{
+  GObject * const call_obj = G_OBJECT (call);
+  GDateTime *start;
+
+  g_assert (g_object_get_data (call_obj, "calls-call-start") == NULL);
+  start = g_date_time_new_now_local ();
+  g_object_set_data_full (call_obj, "calls-call-start",
+                          start, (GDestroyNotify)g_date_time_unref);
+
+  if (!self->repository)
+    {
+      open_repo (self);
+      return;
+    }
+
+  record_call (self, call);
+}
+
+
+static void
+update_cb (GomResource  *resource,
+           GAsyncResult *res,
+           gpointer     *unused)
+{
+  GError *error = NULL;
+  gboolean ok;
+
+  ok = gom_resource_save_finish (resource, res, &error);
+  if (!ok)
+    {
+      if (error)
+        {
+          g_warning ("Error updating call record in database: %s",
+                     error->message);
+          g_error_free (error);
+        }
+      else
+        {
+          g_warning ("Unknown error updating call record in database");
+        }
+    }
+  else
+    {
+      g_debug ("Successfully updated call record in database");
+    }
+}
+
+
+static void
+stamp_call (CallsCallRecord  *record,
+            const gchar      *stamp_name)
+{
+  GObject *record_obj = G_OBJECT (record);
+  GDateTime *stamp = NULL;
+
+  /* Check the call has not already been stamped */
+  g_object_get (record_obj,
+                stamp_name, &stamp,
+                NULL);
+  if (stamp)
+    {
+      return;
+    }
+
+
+  g_debug ("Stamping call `%s'", stamp_name);
+  stamp = g_date_time_new_now_local ();
+  g_object_set (record_obj,
+                stamp_name, stamp,
+                NULL);
+  g_date_time_unref (stamp);
+
+  gom_resource_save_async (GOM_RESOURCE (record),
+                           (GAsyncReadyCallback)update_cb,
+                           NULL);
+}
+
+
+static void
+call_removed_cb (CallsRecordStore *self,
+                 CallsCall        *call,
+                 const gchar      *reason)
+{
+  /* Stamp the call as ended if it hasn't already been done */
+  CallsCallRecord *record =
+    g_object_get_data (G_OBJECT (call), "calls-call-record");
+
+  if (record)
+    {
+      stamp_call (record, "end");
+    }
+}
+
+
+static void
+state_changed_cb (CallsRecordStore *self,
+                  CallsCallState    new_state,
+                  CallsCallState    old_state,
+                  CallsCall        *call)
+{
+  GObject *call_obj = G_OBJECT (call);
+  CallsCallRecord *record =
+    g_object_get_data (call_obj, "calls-call-record");
+  CallsCallRecordState new_rec_state, old_rec_state;
+
+
+  /* Check whether the call is recorded */
+  if (!record)
+    {
+      /* Try to record the call again */
+      if (g_object_get_data (call_obj, "calls-call-start") != NULL)
+        {
+          record_call (self, call);
+        }
+      else
+        {
+          g_warning ("Record store received state change"
+                     " for non-started call");
+        }
+      return;
+    }
+
+  new_rec_state = state_to_record_state (new_state);
+  old_rec_state = state_to_record_state (old_state);
+
+  if (new_rec_state == old_rec_state)
+    {
+      return;
+    }
+
+  switch (old_rec_state)
+    {
+    case STARTED:
+      switch (new_rec_state)
+        {
+        case ANSWERED:
+          stamp_call (record, "answered");
+          break;
+        case ENDED:
+          stamp_call (record, "end");
+          break;
+        default:
+          g_assert_not_reached ();
+          break;
+        }
+      break;
+
+    case ANSWERED:
+      switch (new_rec_state)
+        {
+        case ENDED:
+          stamp_call (record, "end");
+          break;
+        default:
+          g_assert_not_reached ();
+          break;
+        }
+      break;
+
+    default:
+      g_assert_not_reached ();
+      break;
+    }
+}
+
+
+static void
+set_property (GObject      *object,
+              guint         property_id,
+              const GValue *value,
+              GParamSpec   *pspec)
+{
+  CallsRecordStore *self = CALLS_RECORD_STORE (object);
+
+  switch (property_id) {
+  case PROP_PROVIDER:
+    g_set_object (&self->provider, CALLS_PROVIDER (g_value_get_object (value)));
+    break;
+
+  default:
+    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+    break;
+  }
+}
+
+
+static void
+set_up_provider (CallsRecordStore *self)
+{
+  CallsEnumerateParams *params;
+
+  params = calls_enumerate_params_new (self);
+
+  calls_enumerate_params_add
+    (params, CALLS_TYPE_ORIGIN, "call-added", G_CALLBACK (call_added_cb));
+  calls_enumerate_params_add
+    (params, CALLS_TYPE_ORIGIN, "call-removed", G_CALLBACK (call_removed_cb));
+
+  calls_enumerate_params_add
+    (params, CALLS_TYPE_CALL, "state-changed", G_CALLBACK (state_changed_cb));
+
+  calls_enumerate (self->provider, params);
+
+  g_object_unref (params);
+}
+
+
+static void
+constructed (GObject *object)
+{
+  GObjectClass *parent_class = g_type_class_peek (G_TYPE_OBJECT);
+  CallsRecordStore *self = CALLS_RECORD_STORE (object);
+
+  open_repo (self);
+  set_up_provider (self);
+
+  parent_class->constructed (object);
+}
+
+
+static void
+dispose (GObject *object)
+{
+  GObjectClass *parent_class = g_type_class_peek (G_TYPE_OBJECT);
+  CallsRecordStore *self = CALLS_RECORD_STORE (object);
+
+  g_clear_object (&self->provider);
+
+  g_clear_object (&self->repository);
+  close_adapter (self);
+
+  parent_class->dispose (object);
+}
+
+
+static void
+finalize (GObject *object)
+{
+  GObjectClass *parent_class = g_type_class_peek (G_TYPE_OBJECT);
+  CallsRecordStore *self = CALLS_RECORD_STORE (object);
+
+  g_free (self->filename);
+
+  parent_class->finalize (object);
+}
+
+
+static void
+calls_record_store_class_init (CallsRecordStoreClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->set_property = set_property;
+  object_class->constructed = constructed;
+  object_class->dispose = dispose;
+  object_class->finalize = finalize;
+
+  props[PROP_PROVIDER] =
+    g_param_spec_object ("provider",
+                         _("Provider"),
+                         _("An object implementing low-level call-making functionality"),
+                         CALLS_TYPE_PROVIDER,
+                         G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY);
+
+  g_object_class_install_properties (object_class, PROP_LAST_PROP, props);
+}
+
+
+static void
+calls_record_store_init (CallsRecordStore *self)
+{
+  self->filename = g_build_filename (g_get_user_data_dir (),
+                                     APP_DATA_NAME,
+                                     RECORD_STORE_FILENAME,
+                                     NULL);
+}
+
+
+CallsRecordStore *
+calls_record_store_new (CallsProvider *provider)
+{
+  return g_object_new (CALLS_TYPE_RECORD_STORE,
+                       "provider", provider,
+                       NULL);
+}

src/calls-record-store.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2018, 2019 Purism SPC
+ *
+ * This file is part of Calls.
+ *
+ * Calls is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Calls is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Calls.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Author: Bob Ham <bob.ham@puri.sm>
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ */
+
+#ifndef CALLS_RECORD_STORE_H__
+#define CALLS_RECORD_STORE_H__
+
+#include "calls-provider.h"
+
+G_BEGIN_DECLS
+
+#define CALLS_TYPE_RECORD_STORE (calls_record_store_get_type ())
+
+G_DECLARE_FINAL_TYPE (CallsRecordStore, calls_record_store, CALLS, RECORD_STORE, GObject);
+
+CallsRecordStore *calls_record_store_new (CallsProvider *provider);
+
+G_END_DECLS
+
+#endif /* CALLS_RECORD_STORE_H__ */

src/meson.build

@@ -30,6 +30,7 @@ calls_deps = [ dependency('gobject-2.0'),
                dependency('libhandy-0.0', version: '>= 0.0.10'),
                dependency('gsound'),
                dependency('libpeas-1.0'),
+               dependency('gom-1.0'),
              ]
 
 calls_sources = files(['calls-message-source.c', 'calls-message-source.h',
@@ -51,6 +52,8 @@ calls_sources = files(['calls-message-source.c', 'calls-message-source.h',
                        'calls-ringer.c', 'calls-ringer.h',
                        'calls-application.c', 'calls-application.h',
                        'util.c', 'util.h',
+                       'calls-call-record.c', 'calls-call-record.h',
+                       'calls-record-store.c', 'calls-record-store.h',
                       ])
 
 calls_config_data = config_data