[gnome-software/wip/mcrha/packagekit-download-size] packagekit: Distinguish between download size and install size

[Milan Crha <mcrha src gnome org>]

commit 09952d64ccce8cbb535ea1433698d25d24070006
Author: Milan Crha <mcrha redhat com>
Date:   Fri May 21 08:54:27 2021 +0200

    packagekit: Distinguish between download size and install size
    
    A PackageKit change [1] adds a new API to get both install size and
    the download size, which can be used to distinguish between the two
    sizes and give a better idea to the user about the size requirement.
    
    [1] https://github.com/PackageKit/PackageKit/pull/476

 meson.build                            |  3 +++
 plugins/packagekit/packagekit-common.c | 34 +++++++++++++++++++++++-----------
 2 files changed, 26 insertions(+), 11 deletions(-)
---
diff --git a/meson.build b/meson.build
index 2c9f475e9..67f4d4192 100644
--- a/meson.build
+++ b/meson.build
@@ -196,6 +196,9 @@ if get_option('packagekit')
   else
       conf.set('GS_PACKAGEKIT_AUTOREMOVE', 'FALSE')
   endif
+  if meson.get_compiler('c').has_function('pk_details_get_download_size', prefix: '#include 
<packagekit-glib2/packagekit.h>', dependencies: packagekit)
+      conf.set('HAVE_PK_DETAILS_GET_DOWNLOAD_SIZE', '1')
+  endif
 endif
 
 if get_option('eos_updater')
diff --git a/plugins/packagekit/packagekit-common.c b/plugins/packagekit/packagekit-common.c
index 8fd2cc4c5..bca5bc31c 100644
--- a/plugins/packagekit/packagekit-common.c
+++ b/plugins/packagekit/packagekit-common.c
@@ -475,7 +475,7 @@ gs_plugin_packagekit_refine_details_app (GsPlugin *plugin,
        PkDetails *details;
        const gchar *package_id;
        guint j;
-       guint64 size = 0;
+       guint64 download_size = 0, install_size = 0;
 
        /* @source_ids can have as many as 200 elements (google-noto); typically
         * it has 1 or 2
@@ -484,6 +484,9 @@ gs_plugin_packagekit_refine_details_app (GsPlugin *plugin,
         * repository, on the order of 400 or 700 apps */
        source_ids = gs_app_get_source_ids (app);
        for (j = 0; j < source_ids->len; j++) {
+               #if HAVE_PK_DETAILS_GET_DOWNLOAD_SIZE
+               guint64 download_sz;
+               #endif
                package_id = g_ptr_array_index (source_ids, j);
                details = g_hash_table_lookup (details_collection, package_id);
                if (details == NULL)
@@ -508,25 +511,34 @@ gs_plugin_packagekit_refine_details_app (GsPlugin *plugin,
                                                GS_APP_QUALITY_LOWEST,
                                                pk_details_get_description (details));
                }
-               size += pk_details_get_size (details);
+               install_size += pk_details_get_size (details);
+               #ifdef HAVE_PK_DETAILS_GET_DOWNLOAD_SIZE
+               download_sz = pk_details_get_download_size (details);
+               if (download_sz != G_MAXUINT64)
+                       download_size += download_sz;
+               #endif
        }
 
+       #ifndef HAVE_PK_DETAILS_GET_DOWNLOAD_SIZE
+       download_size = install_size;
+       #endif
+
        /* the size is the size of all sources */
        if (gs_app_get_state (app) == GS_APP_STATE_UPDATABLE) {
-               if (size > 0 && gs_app_get_size_installed (app) == 0)
-                       gs_app_set_size_installed (app, size);
-               if (size > 0 && gs_app_get_size_download (app) == 0)
-                       gs_app_set_size_download (app, size);
+               if (install_size > 0 && gs_app_get_size_installed (app) == 0)
+                       gs_app_set_size_installed (app, install_size);
+               if (download_size > 0 && gs_app_get_size_download (app) == 0)
+                       gs_app_set_size_download (app, download_size);
        } else if (gs_app_is_installed (app)) {
                if (gs_app_get_size_download (app) == 0)
                        gs_app_set_size_download (app, GS_APP_SIZE_UNKNOWABLE);
-               if (size > 0 && gs_app_get_size_installed (app) == 0)
-                       gs_app_set_size_installed (app, size);
+               if (install_size > 0 && gs_app_get_size_installed (app) == 0)
+                       gs_app_set_size_installed (app, install_size);
        } else {
                if (gs_app_get_size_installed (app) == 0)
-                       gs_app_set_size_installed (app, GS_APP_SIZE_UNKNOWABLE);
-               if (size > 0 && gs_app_get_size_download (app) == 0)
-                       gs_app_set_size_download (app, size);
+                       gs_app_set_size_installed (app, install_size > 0 ? install_size : 
GS_APP_SIZE_UNKNOWABLE);
+               if (download_size > 0 && gs_app_get_size_download (app) == 0)
+                       gs_app_set_size_download (app, download_size);
        }
 }