frontend: explain the reason of skipped chroots

Fix #2900

frontend/coprs_frontend/alembic/versions/ec3528516b0c_add_status_reason_column.py

@@ -0,0 +1,25 @@
+"""
+Add status_reason column
+
+Revision ID: ec3528516b0c
+Create Date: 2023-09-15 21:13:43.183755
+"""
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'ec3528516b0c'
+down_revision = 'c6dd61c09256'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.add_column('build_chroot',
+                  sa.Column('status_reason', sa.Text(), nullable=True))
+
+
+def downgrade():
+    op.drop_column('build_chroot', 'status_reason')

frontend/coprs_frontend/coprs/filters.py

@@ -209,7 +209,8 @@ def build_state_decoration(state):
         "canceled": "The build has been cancelled manually.",
         "running": "Build in progress.",
         "pending": "Build is waiting in queue for a backend worker.",
-        "skipped": "This package has already been built previously.",
+        "skipped": ("This package was skipped, see the reason "
+                    "for each chroot separately."),
         "starting": "Backend worker is trying to acquire a builder machine.",
         "importing": "Package sources are being imported into Copr DistGit.",
         "waiting": "Task is waiting for something else to finish.",

frontend/coprs_frontend/coprs/logic/builds_logic.py

@@ -1048,10 +1048,14 @@ def finish(chroot, status):
 
                     exclusivearch = upd_dict["results"].get("exclusivearch")
                     if exclusivearch and arch not in exclusivearch:
+                        chroot.status_reason = \
+                            "This chroot was skipped because of ExclusiveArch"
                         finish(chroot, StatusEnum("skipped"))
 
                     excludearch = upd_dict["results"].get("excludearch")
                     if arch in excludearch:
+                        chroot.status_reason = \
+                            "This chroot was skipped because of ExcludeArch"
                         finish(chroot, StatusEnum("skipped"))
 
             cls.process_update_callback(build)

frontend/coprs_frontend/coprs/models.py

@@ -1940,6 +1940,7 @@ class BuildChroot(db.Model, TagMixin, helpers.Serializer):
                                                         passive_deletes=True))
     git_hash = db.Column(db.String(40))
     status = db.Column(db.Integer, default=StatusEnum("waiting"))
+    status_reason = db.Column(db.Text)
 
     started_on = db.Column(db.Integer, index=True)
     ended_on = db.Column(db.Integer, index=True)

frontend/coprs_frontend/coprs/templates/_helpers.html

@@ -138,8 +138,9 @@
   {% endif %}
 {% endmacro %}
 
-{% macro build_state_text(state) %}
-  <span class="build-{{ state }}" title="{{ state | build_state_description }}">
+{% macro build_state_text(state, reason=None) %}
+  <span class="build-{{ state }}"
+        title="{{ reason or state | build_state_description }}">
   {% if state == "importing" %}
     <span class="pficon pficon-running"></span> {{ state }}
   {% elif state == "pending" %}

frontend/coprs_frontend/coprs/templates/coprs/detail/build.html

@@ -272,7 +272,7 @@ <h3 class="panel-title">Results</h3>
                 {% endfor %}
               </td>
               <td>
-                {{ build_state_text(chroot.state) }}
+                {{ build_state_text(chroot.state, chroot.status_reason) }}
               </td>
             </tr>
           {% endfor %}