Merge branch 'issue448_export_pass' into 'develop'

ADD: put pass/absence code in view to use in export #448

See merge request it-lab/grade!144

db/postgresql/issue447_export_absense.sql

@@ -16,8 +16,8 @@ CREATE OR REPLACE VIEW public.view_final_report
                           when rt.Rate is not null then rt.Rate
                           when rt.Rate is null then
                             case epo."type"
-                               when 'pass' then 0
-                               when 'absence' then 0
+                               when 'pass' then -2
+                               when 'absence' then -1
                             END
                           END) as "rate"
                         FROM view_roadmap AS vr
@@ -34,7 +34,7 @@ CREATE OR REPLACE VIEW public.view_final_report
                           when rt.Rate is null then
                             case epo."type"
                                when 'pass' then 0
-                               when 'absence' then 0
+                               when 'absence' then -1
                             END
                           END) as "rate"
                         FROM view_roadmap AS vr
@@ -51,7 +51,7 @@ CREATE OR REPLACE VIEW public.view_final_report
                           when rt.Rate is null then
                             case epo."type"
                                when 'pass' then 0
-                               when 'absence' then 0
+                               when 'absence' then -1
                             END
                           END) as "rate"
                         FROM view_roadmap AS vr