migrating to mysql

5 files changed, 46 insertions, 15 deletions

diff --git a/cli/app/sql/common.py b/cli/app/sql/common.py
index c8bd557..8e1d2b3 100644
--- a/cli/app/sql/common.py
+++ b/cli/app/sql/common.py
@@ -2,7 +2,6 @@ import os
 import glob
 import time
 
-# import mysql.connector
 from sqlalchemy import create_engine
 from sqlalchemy.orm import sessionmaker
 from sqlalchemy.ext.declarative import declarative_base
@@ -11,16 +10,16 @@ from flask_sqlalchemy import SQLAlchemy
 
 from app.settings import app_cfg
 
-# connection_url = "mysql+mysqlconnector://{}:{}@{}/{}?charset=utf8mb4".format(
-#   os.getenv("DB_USER"),
-#   os.getenv("DB_PASS"),
-#   os.getenv("DB_HOST"),
-#   os.getenv("DB_NAME")
-# )
-
-os.makedirs(app_cfg.DIR_DATABASE, exist_ok=True)
-
-connection_url = "sqlite:///{}".format(os.path.join(app_cfg.DIR_DATABASE, 'swimmer.sqlite3'))
+if app_cfg.USE_SQLITE:
+  os.makedirs(app_cfg.DIR_DATABASE, exist_ok=True)
+  connection_url = "sqlite:///{}".format(os.path.join(app_cfg.DIR_DATABASE, 'swimmer.sqlite3'))
+else:
+  connection_url = "mysql+pymysql://{}:{}@{}/{}?charset=utf8mb4".format(
+    os.getenv("DB_USER"),
+    os.getenv("DB_PASS"),
+    os.getenv("DB_HOST"),
+    os.getenv("DB_NAME")
+  )
 
 engine = create_engine(connection_url, encoding="utf-8", pool_recycle=3600)
 
@@ -31,7 +30,7 @@ Base.metadata.bind = engine
 db = SQLAlchemy()
 
 # include the models in reverse dependency order, so relationships work
+from app.sql.models.upload import Upload
 from app.sql.models.tile import Tile
 from app.sql.models.page import Page
 from app.sql.models.graph import Graph
-from app.sql.models.upload import Upload
diff --git a/cli/app/sql/env.py b/cli/app/sql/env.py
index 7753565..3e015b5 100644
--- a/cli/app/sql/env.py
+++ b/cli/app/sql/env.py
@@ -14,10 +14,10 @@ config.set_main_option("sqlalchemy.url", connection_url)
 target_metadata = Base.metadata
 
 # include the models in reverse dependency order, so relationships work
+from app.sql.models.upload import Upload
 from app.sql.models.tile import Tile
 from app.sql.models.page import Page
 from app.sql.models.graph import Graph
-from app.sql.models.upload import Upload
 
 def run_migrations_offline():
   """Run migrations in 'offline' mode.
diff --git a/cli/app/sql/models/graph.py b/cli/app/sql/models/graph.py
index 8e068a0..08f4d3c 100644
--- a/cli/app/sql/models/graph.py
+++ b/cli/app/sql/models/graph.py
@@ -23,6 +23,7 @@ class Graph(Base):
   updated_at = Column(UtcDateTime(), onupdate=utcnow())
 
   pages = relationship('Page', lazy='dynamic')
+  uploads = relationship('Upload', lazy='dynamic')
 
   def toJSON(self):
     return {
@@ -40,11 +41,13 @@ class Graph(Base):
   def toFullJSON(self):
     data = self.toJSON()
     data['pages'] = [ page.toLinkJSON() for page in self.pages ]
+    data['uploads'] = [ upload.toJSON() for upload in self.uploads ]
     return data
 
   def toSiteJSON(self):
     data = self.toJSON()
     data['pages'] = [ page.toFullJSON() for page in self.pages ]
+    data['uploads'] = [ upload.toJSON() for upload in self.uploads ]
     return data
 
 class GraphForm(ModelForm):
diff --git a/cli/app/sql/models/upload.py b/cli/app/sql/models/upload.py
index 87f758a..30e53dc 100644
--- a/cli/app/sql/models/upload.py
+++ b/cli/app/sql/models/upload.py
@@ -1,4 +1,4 @@
-from sqlalchemy import create_engine, Table, Column, String, Integer, DateTime
+from sqlalchemy import create_engine, Table, Column, ForeignKey, String, Integer, DateTime
 import sqlalchemy.sql.functions as func
 from sqlalchemy_utc import UtcDateTime, utcnow
 from wtforms_alchemy import ModelForm
@@ -14,7 +14,7 @@ class Upload(Base):
   """Table for storing references to various media"""
   __tablename__ = 'upload'
   id = Column(Integer, primary_key=True)
-  graph_id = Column(Integer)
+  graph_id = Column(Integer, ForeignKey('graph.id'), nullable=True)
   sha256 = Column(String(256), nullable=False)
   fn = Column(String(256), nullable=False)
   ext = Column(String(4, convert_unicode=True), nullable=False)
diff --git a/cli/app/sql/versions/202103161645_add_foreign_key_constraint.py b/cli/app/sql/versions/202103161645_add_foreign_key_constraint.py
new file mode 100644
index 0000000..673f9e4
--- /dev/null
+++ b/cli/app/sql/versions/202103161645_add_foreign_key_constraint.py
@@ -0,0 +1,29 @@
+"""add foreign key constraint
+
+Revision ID: 3f7df6bf63b8
+Revises: 645f315e651d
+Create Date: 2021-03-16 16:45:39.455892
+
+"""
+from alembic import op
+import sqlalchemy as sa
+import sqlalchemy_utc
+
+
+# revision identifiers, used by Alembic.
+revision = '3f7df6bf63b8'
+down_revision = '645f315e651d'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_foreign_key(None, 'upload', 'graph', ['graph_id'], ['id'])
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'upload', type_='foreignkey')
+    # ### end Alembic commands ###