[proxy] make information about mapping version being frozen available to UI code

3 files changed, 40 insertions, 11 deletions

diff --git a/src/hydrilla/proxy/state.py b/src/hydrilla/proxy/state.py
index 69436c5..1246c92 100644
--- a/src/hydrilla/proxy/state.py
+++ b/src/hydrilla/proxy/state.py
@@ -52,15 +52,37 @@ from .simple_dependency_satisfying import ImpossibleSituation
 
 class EnabledStatus(Enum):
     """
-    ENABLED - User wished to always apply given mapping when it matched.
+    ENABLED - User wished to always apply given mapping when it matches site's
+        URL.
 
     DISABLED - User wished to never apply given mapping.
 
-    NO_MARK - User has not configured given mapping and it won't be used.
+    NO_MARK - User has not configured given mapping.
     """
-    ENABLED      = 'E'
-    DISABLED     = 'D'
-    NO_MARK      = 'N'
+    ENABLED  = 'E'
+    DISABLED = 'D'
+    NO_MARK  = 'N'
+
+
+class FrozenStatus(Enum):
+    """
+    EXACT_VERSION - User wished to always use the same version of a mapping.
+
+    REPOSITORY - User wished to always use a version of the mapping from the
+        same repository.
+
+    NOT_FROZEN - User did not restrict updates of the mapping.
+    """
+    EXACT_VERSION = 'E'
+    REPOSITORY    = 'R'
+    NOT_FROZEN    = 'N'
+
+    @staticmethod
+    def make(letter: t.Optional[str]) -> t.Optional[FrozenStatus]:
+        if letter is None:
+            return None
+
+        return FrozenStatus(letter)
 
 
 class InstalledStatus(Enum):
@@ -201,6 +223,7 @@ class MappingDisplayInfo(item_infos.CorrespondsToMappingDCMixin):
     ref:            'MappingRef'
     identifier:     str
     enabled:        EnabledStatus
+    frozen:         t.Optional[FrozenStatus]
     active_version: t.Optional['MappingVersionDisplayInfo']
 
 @dc.dataclass(frozen=True)
@@ -212,6 +235,7 @@ class MappingVersionDisplayInfo(item_infos.CorrespondsToMappingDCMixin):
     is_orphan:       bool
     is_local:        bool
     mapping_enabled: EnabledStatus
+    mapping_frozen:  t.Optional[FrozenStatus]
 
 @dc.dataclass(frozen=True, unsafe_hash=True) # type: ignore[misc]
 class MappingRef(Ref, item_infos.CorrespondsToMappingDCMixin):
diff --git a/src/hydrilla/proxy/state_impl/items.py b/src/hydrilla/proxy/state_impl/items.py
index b538dc5..ddfef7c 100644
--- a/src/hydrilla/proxy/state_impl/items.py
+++ b/src/hydrilla/proxy/state_impl/items.py
@@ -128,6 +128,7 @@ class ConcreteMappingRef(st.MappingRef):
                         ive.active,
                         ive.is_orphan,
                         ive.is_local,
+                        ms.frozen,
                         ms.enabled
                 FROM
                              item_versions_extra AS ive
@@ -147,7 +148,7 @@ class ConcreteMappingRef(st.MappingRef):
 
         for (item_version_id, definition, repo, repo_iteration,
              installed_status, active_status, is_orphan, is_local,
-             enabled_status) in rows:
+             frozen_status, enabled_status) in rows:
             ref = ConcreteMappingVersionRef(str(item_version_id), self.state)
 
             item_info = item_infos.MappingInfo.load(
@@ -163,7 +164,8 @@ class ConcreteMappingRef(st.MappingRef):
                 active          = st.ActiveStatus(active_status),
                 is_orphan       = is_orphan,
                 is_local        = is_local,
-                mapping_enabled = st.EnabledStatus(enabled_status)
+                mapping_enabled = st.EnabledStatus(enabled_status),
+                mapping_frozen  = st.FrozenStatus.make(frozen_status)
             )
             result.append(display_info)
 
@@ -195,7 +197,8 @@ class ConcreteMappingStore(st.MappingStore):
                         ive.active,
                         ive.is_orphan,
                         ive.is_local,
-                        ms.enabled
+                        ms.enabled,
+                        ms.frozen
                 FROM
                                   items                 AS i
                         JOIN      mapping_statuses      AS ms
@@ -213,7 +216,7 @@ class ConcreteMappingStore(st.MappingStore):
 
         for (item_id, identifier, item_version_id, definition, repo,
              repo_iteration, installed_status, active_status, is_orphan,
-             is_local, enabled_status) in rows:
+             is_local, enabled_status, frozen_status) in rows:
             ref = ConcreteMappingRef(str(item_id), self.state)
 
             active_version: t.Optional[st.MappingVersionDisplayInfo] = None
@@ -237,14 +240,15 @@ class ConcreteMappingStore(st.MappingStore):
                     active          = st.ActiveStatus(active_status),
                     is_orphan       = is_orphan,
                     is_local        = is_local,
-                    mapping_enabled = st.EnabledStatus(enabled_status)
+                    mapping_enabled = st.EnabledStatus(enabled_status),
+                    mapping_frozen  = st.FrozenStatus.make(frozen_status)
                 )
 
-
             display_info = st.MappingDisplayInfo(
                 ref            = ref,
                 identifier     = identifier,
                 enabled        = st.EnabledStatus(enabled_status),
+                frozen         = st.FrozenStatus.make(frozen_status),
                 active_version = active_version
             )
 
diff --git a/src/hydrilla/proxy/web_ui/items.py b/src/hydrilla/proxy/web_ui/items.py
index c0e0e0d..4bfae0a 100644
--- a/src/hydrilla/proxy/web_ui/items.py
+++ b/src/hydrilla/proxy/web_ui/items.py
@@ -150,6 +150,7 @@ def show_item(item_id: str, item_type: item_infos.ItemType) \
                 ref            = item_ref,
                 identifier     = version_display_infos[0].info.identifier,
                 enabled        = version_display_infos[0].mapping_enabled,
+                frozen         = version_display_infos[0].mapping_frozen,
                 active_version = active_version
             )