Increase maximum comment size from 255 to 1024.

DB change: Change comment text field from VARCHAR(255) to mysql.TEXT

migrations/versions/b79d2fcafd88_comment_text.py

@@ -0,0 +1,33 @@
+"""Change comment text field from VARCHAR(255) to mysql.TEXT
+
+Revision ID: b79d2fcafd88
+Revises: ffd23e570f92
+Create Date: 2017-08-14 18:57:44.165168
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import mysql
+
+# revision identifiers, used by Alembic.
+revision = 'b79d2fcafd88'
+down_revision = 'ffd23e570f92'
+branch_labels = None
+depends_on = None
+
+TABLE_PREFIXES = ('nyaa', 'sukebei')
+
+def upgrade():
+    for prefix in TABLE_PREFIXES:
+        op.alter_column(prefix + '_comments', 'text',
+                   existing_type=mysql.VARCHAR(charset='utf8mb4', collation='utf8mb4_bin', length=255),
+                   type_=mysql.TEXT(collation='utf8mb4_bin'),
+                   existing_nullable=False)
+
+
+def downgrade():
+    for prefix in TABLE_PREFIXES:
+        op.alter_column(prefix + '_comments', 'text',
+                   existing_type=mysql.TEXT(collation='utf8mb4_bin'),
+                   type_=mysql.VARCHAR(charset='utf8mb4', collation='utf8mb4_bin', length=255),
+                   existing_nullable=False)

nyaa/forms.py

@@ -142,7 +142,7 @@ class DisabledSelectField(SelectField):
 
 class CommentForm(FlaskForm):
     comment = TextAreaField('Make a comment', [
-        Length(min=3, max=255, message='Comment must be at least %(min)d characters '
+        Length(min=3, max=1024, message='Comment must be at least %(min)d characters '
                'long and %(max)d at most.'),
         DataRequired()
     ])

nyaa/models.py

@@ -23,14 +23,14 @@ app = flask.current_app
 if config['USE_MYSQL']:
     from sqlalchemy.dialects import mysql
     BinaryType = mysql.BINARY
-    DescriptionTextType = mysql.TEXT
+    TextType = mysql.TEXT
     MediumBlobType = mysql.MEDIUMBLOB
     COL_UTF8_GENERAL_CI = 'utf8_general_ci'
     COL_UTF8MB4_BIN = 'utf8mb4_bin'
     COL_ASCII_GENERAL_CI = 'ascii_general_ci'
 else:
     BinaryType = db.Binary
-    DescriptionTextType = db.String
+    TextType = db.String
     MediumBlobType = db.BLOB
     COL_UTF8_GENERAL_CI = 'NOCASE'
     COL_UTF8MB4_BIN = None
@@ -110,7 +110,7 @@ class TorrentBase(DeclarativeHelperBase):
                              nullable=False, index=True)
     torrent_name = db.Column(db.String(length=255), nullable=False)
     information = db.Column(db.String(length=255), nullable=False)
-    description = db.Column(DescriptionTextType(collation=COL_UTF8MB4_BIN), nullable=False)
+    description = db.Column(TextType(collation=COL_UTF8MB4_BIN), nullable=False)
 
     filesize = db.Column(db.BIGINT, default=0, nullable=False, index=True)
     encoding = db.Column(db.String(length=32), nullable=False)
@@ -433,7 +433,7 @@ class CommentBase(DeclarativeHelperBase):
         return db.Column(db.Integer, db.ForeignKey('users.id', ondelete='CASCADE'))
 
     created_time = db.Column(db.DateTime(timezone=False), default=datetime.utcnow)
-    text = db.Column(db.String(length=255, collation=COL_UTF8MB4_BIN), nullable=False)
+    text = db.Column(TextType(collation=COL_UTF8MB4_BIN), nullable=False)
 
     @declarative.declared_attr
     def user(cls):