class RuleAction(models.Model):
ACTION_CHOICE = (
('SET_VARIABLE', 'Set Variable'),
('DANGEROUS_EVAL', 'Evaluate'),
# ('RE_EXIT', 'Stop Processing more rules'),
# ('RE_INIT', 'Reinitiate Rule Engine'),
)
rule = models.ForeignKey(Rule)
description = models.TextField(
blank=True,
null=True,
help_text='For personal reference. Not used anywhere in logic')
action = models.CharField(max_length=255, choices=ACTION_CHOICE)
key = models.ForeignKey(RuleActionKeys,
db_column='key',
null=True,
blank=True)
value = models.TextField(
blank=True,
null=True,
help_text='''Can have STRING ( TEMPLATED or NORMAL), BOOLEAN \
E.g. true, false are boolean values . \
Almost all message properties can be used as variables \
like <%= userdata.amount %> <%= userdata.recharge_number %>'''
)
created_at = MysqlTimeStampField(blank=True, auto_now_add=True, null=True)
updated_at = MysqlTimeStampField(blank=True, auto_now=True, null=True)
def __str__(self):
return '{}'.format(self.rule_id)
class Meta:
db_table = 'rule_action'
class Rule(models.Model):
RULE_STATUS = (
( 1, 'Enabled'),
( 0, 'Disabled')
)
RULE_OPERATOR = (
( '&&', 'AND ( && )'),
( '||', 'OR ( || )'),
)
name = models.CharField(max_length=255)
description = models.TextField(blank=True, null=True, help_text='For personal reference. Not used anywhere in logic')
tags = models.ManyToManyField(RuleTag, db_table='rule_ruletag', blank=True)
external_reference = models.CharField(max_length=255, blank=True,)
status = models.IntegerField(choices=RULE_STATUS, default=1)
priority = models.IntegerField(blank=True, null=True, help_text='Priority 1 is highest. Lower the number higher the priority.')
conditions_operator = models.CharField(max_length=255, blank=True, choices=RULE_OPERATOR,
help_text='Please select if rule conditions should be ANDed or ORed.. By default AND is selected', default='&&')
created_at = MysqlTimeStampField(auto_now_add=True, blank=True, null=True)
updated_at = MysqlTimeStampField(auto_now=True, blank=True, null=True)
def __str__(self):
return '{}'.format(self.id)
class Meta:
permissions = (
('CAN_ENABLE_RULE', 'Can Enable rule'),
('CAN_DISABLE_RULE', 'Can Disable rule'),
('CAN_SIMULATE_RULE', 'Can Simulate rule')
)
db_table = 'rule'
class RuleCondition(models.Model):
RULE_OPERATIONS = (
( '=', 'Equals ( = )'),
( '!=', 'Not Equals ( != )'),
( '>', 'Great than Integer ( > )'),
( '>=', 'Great than Equals Integer( >= )'),
( '<', 'Less than Integer( < )'),
( '<=', 'Less than Equals Integer( <= )'),
('range', 'In Numerical Range ( range )'),
('!range', 'Not In Numerical Range ( !range )'),
('datetimerange', 'In DateTime Range ( datetimerange )'),
('!datetimerange', 'Not In DateTime Range ( !datetimerange )'),
('timerange', 'In Time Range ( timerange )'),
('!timerange', 'Not In Time Range ( !timerange )'),
('regex', 'In Regex ( regex )'),
('!regex', 'Not In Regex ( !regex )'),
('includesstring', 'Array Contains String ( includesstring )'),
('!includesstring', 'Array Does Not Contains String ( !includesstring )'),
('includesint', 'Array Contains Integer ( includesint )'),
('!includesint', 'Array Does Not Contains Integer ( !includesint )'),
('stringrange', 'In String Array ( stringrange )'),
('!stringrange', 'Not In String Array ( !stringrange )'),
('set', 'Is In Set(set)'),
('!set', 'Is Not In Set(!set)'),
)
RULE_CONDITIONS = (
('checkvariable', 'Check Variable'),
)
rule = models.ForeignKey(Rule)
key = models.ForeignKey(RuleConditionKeys, db_column='key', null=True, blank=True)
description = models.TextField(blank=True, null=True, db_column='description', help_text='For personal reference. Not used anywhere in logic')
condition = models.CharField(max_length=255, choices=RULE_CONDITIONS, blank=False, null=False, default='checkvariable')
operation = models.CharField(max_length=255, choices = RULE_OPERATIONS, blank=False, null=False)
value = models.TextField(blank=False, null=False,
help_text ='''Different values for different operations. \
Such as range can have numerical ranges like 1,2,4~5, 6~10,11,12~ . \
datetimerange can have range like 2015-06-11 ~ 2015-07-12 .''')
created_at = MysqlTimeStampField(auto_now_add=True, blank=True, null=True)
updated_at = MysqlTimeStampField(auto_now=True, blank=True, null=True)
def __str__(self):
return str(self.rule_id)
class Meta:
db_table = 'rule_condition'
class RuleTag(models.Model):
tag_name = models.CharField(primary_key=True, max_length=255)
created_at = MysqlTimeStampField(blank=True, auto_now_add=True, null=True)
updated_at = MysqlTimeStampField(blank=True, auto_now=True, null=True)
def __str__(self):
return str(self.tag_name)
class Meta:
db_table = 'rule_tag'