broadcast-areas: package works with groups

Signed-off-by: Toby Lorne <toby.lornewelch-richards@digital.cabinet-office.gov.uk>
This commit is contained in:
Toby Lorne
2020-07-31 13:21:21 +01:00
parent 58915ac968
commit 8ecbfe5996
3 changed files with 129 additions and 53 deletions

View File

@@ -7,7 +7,7 @@ from notifications_utils.safe_string import make_string_safe_for_id
from .repo import BroadcastAreasRepository
class IdentifiableMixin:
class SortableMixin:
def __repr__(self):
return f'{self.__class__.__name__}(<{self.id}>)'
@@ -15,14 +15,7 @@ class IdentifiableMixin:
def __lt__(self, other):
# Implementing __lt__ means any classes inheriting from this
# method are sortable
return self.id < other.id
class IdFromNameMixin:
@property
def id(self):
return make_string_safe_for_id(self.name)
return self.name < other.name
class GetItemByIdMixin:
@@ -33,7 +26,7 @@ class GetItemByIdMixin:
raise KeyError(id)
class BroadcastArea(IdentifiableMixin):
class BroadcastArea(SortableMixin):
def __init__(self, row):
id, name, feature, simple_feature = row
@@ -110,13 +103,23 @@ class BroadcastArea(IdentifiableMixin):
return self._simple_geofeature
@property
def sub_areas(self):
return [
BroadcastArea(row)
for row in BroadcastAreasRepository().get_all_areas_for_group(self.id)
]
class BroadcastAreaLibrary(SerialisedModelCollection, IdentifiableMixin, IdFromNameMixin, GetItemByIdMixin):
class BroadcastAreaLibrary(SerialisedModelCollection, SortableMixin, GetItemByIdMixin):
model = BroadcastArea
def __init__(self, library_name):
self.name = library_name
def __init__(self, row):
id, name, is_group = row
self.id = id
self.name = name
self.is_group = bool(is_group)
def get_examples(self):
return BroadcastAreasRepository().get_library_description(self.id)

View File

@@ -1,3 +1,4 @@
import geojson
import os
from pathlib import Path
import sqlite3
@@ -20,7 +21,15 @@ class BroadcastAreasRepository(object):
conn.execute("""
CREATE TABLE broadcast_area_libraries (
id TEXT PRIMARY KEY,
name TEXT NOT NULL
name TEXT NOT NULL,
is_group BOOLEAN NOT NULL
)""")
conn.execute("""
CREATE TABLE broadcast_area_library_groups (
id TEXT PRIMARY KEY,
name TEXT NOT NULL,
broadcast_area_library_id TEXT NOT NULL
)""")
conn.execute("""
@@ -28,11 +37,15 @@ class BroadcastAreasRepository(object):
id TEXT PRIMARY KEY,
name TEXT NOT NULL,
broadcast_area_library_id TEXT NOT NULL,
broadcast_area_library_group_id TEXT,
feature_geojson TEXT NOT NULL,
simple_feature_geojson TEXT NOT NULL,
FOREIGN KEY (broadcast_area_library_id)
REFERENCES broadcast_area_libraries(id)
REFERENCES broadcast_area_libraries(id),
FOREIGN KEY (broadcast_area_library_group_id)
REFERENCES broadcast_area_library_groups(id)
)""")
conn.execute("""
@@ -40,36 +53,49 @@ class BroadcastAreasRepository(object):
ON broadcast_areas (broadcast_area_library_id);
""")
def insert_broadcast_area_library(self, broadcast_area_name):
broadcast_area_id = make_string_safe_for_id(broadcast_area_name)
conn.execute("""
CREATE INDEX broadcast_areas_broadcast_area_library_group_id
ON broadcast_areas (broadcast_area_library_group_id);
""")
def insert_broadcast_area_library(self, id, name, is_group):
q = """
INSERT INTO broadcast_area_libraries (id, name)
VALUES (?, ?)
INSERT INTO broadcast_area_libraries (id, name, is_group)
VALUES (?, ?, ?)
"""
with self.conn() as conn:
conn.execute(q, (broadcast_area_id, broadcast_area_name))
conn.execute(q, (id, name, is_group))
def insert_broadcast_area_library_group(self, id, name, library_id):
q = """
INSERT INTO broadcast_area_library_groups
(id, name, broadcast_area_library_id)
VALUES (?, ?, ?)
"""
with self.conn() as conn:
conn.execute(q, (id, name, library_id))
def insert_broadcast_areas(self, areas):
q = """
INSERT INTO broadcast_areas (
id, name,
broadcast_area_library_id, feature_geojson, simple_feature_geojson
broadcast_area_library_id, broadcast_area_library_group_id,
feature_geojson, simple_feature_geojson
)
VALUES (?, ?, ?, ?, ?)
VALUES (?, ?, ?, ?, ?, ?)
"""
with self.conn() as conn:
for name, area_name, feature, simple_feature in areas:
id = make_string_safe_for_id(name)
area_id = make_string_safe_for_id(area_name)
for id, name, area_id, group, feature, simple_feature in areas:
conn.execute(q, (
id, name, area_id,
geojson.dumps(feature),
geojson.dumps(simple_feature),
id, name,
area_id, group,
geojson.dumps(feature), geojson.dumps(simple_feature),
))
def query(self, sql, *args):
@@ -79,9 +105,9 @@ class BroadcastAreasRepository(object):
return cursor.fetchall()
def get_libraries(self):
q = "SELECT id, name FROM broadcast_area_libraries"
q = "SELECT id, name, is_group FROM broadcast_area_libraries"
results = self.query(q)
libraries = [row[1] for row in results]
libraries = [(row[0], row[1], row[2]) for row in results]
return sorted(libraries)
def get_library_description(self, library_id):
@@ -139,6 +165,7 @@ class BroadcastAreasRepository(object):
SELECT id, name, feature_geojson, simple_feature_geojson
FROM broadcast_areas
WHERE broadcast_area_library_id = ?
AND broadcast_area_library_group_id IS NULL
"""
results = self.query(q, library_id)
@@ -149,3 +176,35 @@ class BroadcastAreasRepository(object):
]
return areas
def get_all_areas_for_group(self, group_id):
q = """
SELECT id, name, feature_geojson, simple_feature_geojson
FROM broadcast_areas
WHERE broadcast_area_library_group_id = ?
"""
results = self.query(q, group_id)
areas = [
(row[0], row[1], row[2], row[3])
for row in results
]
return areas
def get_all_groups_for_library(self, library_id):
q = """
SELECT id, name
FROM broadcast_area_library_groups
WHERE broadcast_area_library_id = ?
"""
results = self.query(q, library_id)
areas = [
(row[0], row[1])
for row in results
]
return areas