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https://github.com/greg-1-anderson/bugzillacalculatedpriorityextension

Restrict valid values for 'priority' and 'bug_severity' fields based on the value of multiple custom input fields.
https://github.com/greg-1-anderson/bugzillacalculatedpriorityextension

Last synced: 21 days ago
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Restrict valid values for 'priority' and 'bug_severity' fields based on the value of multiple custom input fields.

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README 

        
BUGZILLA CACLULATED PRIORITY EXTENSION

--------------------------------------



This extension has no user interface; it is a hard-coded implementation

of a calculated value scheme for bugzilla.  It expects the following

custom fields to be defined:



cf_impact: (I)



Blocker - Problems that prevent testing or development work

High - Problems causing crashes, data loss, severe performance problems

Normal - Broken or missing functionality

Low - Improvement to existing code, e.g. performance enhancement

Enhancement - New features



cf_probability: (P)



Seen by all or almost all users who use the feature (>=95% of users)

Seen by more than 2/3 of the users who use the feature (>66% and <95%)

Seen by about half the users who use the feature (>33% and <67%)

Seen by about 1/3 of the users who use the feature (>5% and <34%)

Seen by no or very few users who use the feature (<=5% of users)



cf_defectclass: (D)



Stability - Reliability; Availability; Testability; Security; Liability; Storage (data loss/corruption);

Performance - Efficiency (use of resources: memory, disk, CPU); Scalability; Copyright

Functionality - Logic or Calculation; Access Control; Compatibility; Interoperability

Usability - Learnability; Readability; Documentation; Consistency; Workflow

Typographic or grammatical - Aesthetics; Appearance or Cosmetic



cf_workeffort: (W)



Extensive analysis needed - > 1 week

Above average analysis needed - < 1 week

Normal analysis needed - < 3 days

Minimal analysis needed - < 1 day

No substantial analysis  needed - < 4 hours



These custom fields must be entered into bugzilla via its UI.  Once

these fields are available, this extension will automatically

calculate the bug_severity and priority (the two fields labeled

"Importance" in the UI) based on the following criteria.



bug_severity:



1 - (I*P*D) ==  0

2 - (I*P*D) ==  1 - 4

3 - (I*P*D) ==  6 - 12

4 - (I*P*D) == 27 - 36

5 - (I*P*D) >= 37



The effect of this is that any of I, P or D are zero, then the severity

will always be 1, and all of I, P and D must be large before the severity

evaluates to 4 or 5.  If any of I, P or D are unset, then the bug_severity

field can be set to any value from 1 - 5; otherwise, it will be forced

to the value indicated by the calculation above.



The resulting severity value feeds into the bug priority calculation; it

is used together with the cf_workeffort field as an index into the

two-dimensional priority lookup table:



priority:



            :    Work Effort

            :

            : 1   2   3   4   5

------------+---+---+---+---+---

          1 : *   *   *   1   1

            +

Severity  2 : *   *   *   2   2

            +

          3 : *   *   *   3   2

  Level     +

          4 : 5   4   4   4   3

            +

          5 : 5   5   4   4   3



If the work effort is unset, or if the lookup table results in a "*",

then the bug priority can be set to any value from 1 - 5; otherwise, it

will be forced to the value indicated in the table.



These rules can be changed by modifying the template that defines the

lookup tables and field names; see:



template/en/default/hook/bug/create/create-end.html.tmpl

template/en/default/hook/bug/edit-after_custom_fields.html.tmpl



INSTALLATION

------------



Copy the CalculatedPriority directory to bugzilla/extensions.



Optional:



From the bugzilla root directory:



patch -Np1 < extensions/CalculatedPriority/patch_4.0.2.patch