Zabbix

A......... [ZBXNEXT-6470,ZBXNEXT-6867] implemented complete audit logging of templates; added strict validation for template.create, template.update, template.delete, template.massadd, template.massupdate, template.massremove API methods

* commit '5069fa28a9ae55b53f1ae2cca423aac631538542': (64 commits)
  A......... [ZBXNEXT-6470,ZBXNEXT-6867] fixed PHPDoc comment
  .......... [ZBXNEXT-6867] fixed testFormTagsTemplate autotest
  A......... [ZBXNEXT-6867] fixed validation of API_USER_MACROS data type (fixed merge conflict)
  A......... [ZBXNEXT-6470,ZBXNEXT-6867] fixed inability to update existing templates via configuration import; prevented unnecessary template.massadd API calls during the import when imported template have no linked templates
  .......... [ZBXNEXT-6867] fixed testTriggerDependencies autotest
  A......... [ZBXNEXT-6470,ZBXNEXT-6867] fixed inability to update existing templates via configuration import
  .......... [ZBXNEXT-6867] fixed testFormTrigger autotest
  .......... [ZBXNEXT-6867] fixed testFormTemplate autotest
  .......... [ZBXNEXT-6867] fixed testFormTagsTemplate autotest
  ..F....... [ZBXNEXT-6470,ZBXNEXT-6867] fixed inability to link/unlink a template via Configuration -> Temaplates -> Mass update form; added a similar code fix for hosts mass update form to prevent a similar bug there in the future
  A.F....... [ZBXNEXT-6470,ZBXNEXT-6867] fixed inability to delete a template without clrearing of objects on linked hosts and templates; fixed inability to import a host with a templates to link
  .......... [ZBXNEXT-6470,ZBXNEXT-6867] fixed data loading for selenium tests
  .......... [ZBXNEXT-6470,ZBXNEXT-6867] fixed selenium tests due to removing of "hosts" property from template API
  A......... [ZBXNEXT-6470,ZBXNEXT-6867] fixed incorrect behavior of template.massadd, template.massupdate, hostgroup.massadd API methods when some of passed parameters needs to be normalized
  A......... [ZBXNEXT-6867] removed useless code
  A......... [ZBXNEXT-6470,ZBXNEXT-6867] fixed PHPDoc comments for circular and double linkage methods; simplified code; prevented unnecessary recursion
  A......... [ZBXNEXT-6470,ZBXNEXT-6867] improved error messages for circular and double linkage changes; fixed code style; fixed possible problems with the double linkage related to building of links array
  A......... [ZBXNEXT-6470,ZBXNEXT-6867] removed unnecessary permission checks
  A......... [ZBXNEXT-6867] added API tests for the template.create() method
  A......... [ZBXNEXT-6470,ZBXNEXT-6867] fixed inability to import the templates; removed unnecessary check on not empty for templates_link property of template.massadd API method
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