Improve data information display

app/database.py

@@ -34,7 +34,7 @@ def show_table(df: pd.DataFrame):
 def display_random_data(_db_conn, db_filter: DBFilter):
     with st.spinner("Loading random data..."):
         st.session_state.data = db.get_random_data(_db_conn, db_filter.num_sequences)
-    st.session_state.user_display = "The table below shows a random selection. You can generate a new selection every 20 min. Use the sidebar filters for a personalized selection."  # noqa: E501
+    st.session_state.user_display = "The table below shows a random selection. You can retrieve new random data every minute. Use the sidebar filters for a personalized selection."  # noqa: E501
 
 
 @st.cache_data(ttl=600, show_spinner=False)
@@ -44,8 +44,4 @@ def display_filtered_data(_db_conn, db_filter: DBFilter):
         st.session_state.data = db.get_filtered_data(
             _db_conn, query_form, db_filter.num_sequences
         )
-        st.session_state.user_display = (
-            f"The table below shows your personalized selection: topology ({db_filter.topology}),"  # noqa: E501
-            f"taxonomy (Organism ID: {db_filter.organism_id}, Domain: {db_filter.domain}, Kingdom: {db_filter.kingdom}), "  # noqa: E501
-            f"length {str(db_filter.sequence_lengths)}. For a random selection use the sidebar button."  # noqa: E501
-        )
+        st.session_state.user_display = f"The table below shows your personalized selection: {str(db_filter)}. For a random selection use the sidebar button."  # noqa: E501

streamlitapp.py

@@ -151,7 +151,7 @@ def handle_database_tab(db_conn):
     else:
         database.display_filtered_data(db_conn, database_filter)
 
-    if not st.st.session_state.user_display.empty:
+    if not st.session_state.user_display == "":
         st.write(st.session_state.user_display)
         st.markdown("---")
 

utils/db.py

@@ -197,6 +197,38 @@ def construct_query(self):
         logging.debug(query_form)
         return query_form
 
+    def __str__(self):
+        parts = []
+
+        # Topology
+        if self.topology is not None:
+            parts.append(
+                f"topology: {self.topology.value} ({' not' if (not self.signal_peptide and self.topology is not Topology.ALL) else ''} including signal peptides )"  # noqa: E501
+            )
+
+        # Taxonomy
+        taxonomy_parts = []
+        if self.organism_id is not None:
+            taxonomy_parts.append(f"Organism ID: {self.organism_id}")
+        if self.domain is not None:
+            taxonomy_parts.append(f"Domain: {self.domain.value}")
+        if self.kingdom is not None:
+            taxonomy_parts.append(f"Kingdom: {self.kingdom.value}")
+
+        if taxonomy_parts:
+            parts.append(f"taxonomy ({', '.join(taxonomy_parts)})")
+
+        # Sequence Lengths
+        if self.sequence_lengths != (16, 5500):
+            parts.append(
+                f"length range: {self.sequence_lengths[0]}-{self.sequence_lengths[1]}"
+            )
+        else:
+            parts.append("all lengths")
+
+        # Final String
+        return ", ".join(parts)
+
 
 def init_connection():
     host = os.environ.get("TMVIS_MONGO_HOST", "localhost")