Updating changie.yaml to add contributors and PR links (#134)

Co-authored-by: Mike Alfare <13974384+mikealfare@users.noreply.github.com>

.changes/unreleased/Under the Hood-20240731-075011.yaml

@@ -0,0 +1,6 @@
+kind: Under the Hood
+body: Updating changie.yaml to add contributors and PR links
+time: 2024-07-31T07:50:11.875044-04:00
+custom:
+    Author: leahwicz
+    Issue: "109"

.changie.yaml

@@ -1,20 +1,65 @@
 changesDir: .changes
 unreleasedDir: unreleased
 headerPath: header.tpl.md
+versionHeaderPath: ""
 changelogPath: CHANGELOG.md
 versionExt: md
-envPrefix: CHANGIE_
+envPrefix: "CHANGIE_"
 versionFormat: '## dbt-postgres {{.Version}} - {{.Time.Format "January 02, 2006"}}'
 kindFormat: '### {{.Kind}}'
-changeFormat: '* {{.Body}}'
+changeFormat: |-
+  {{- $IssueList := list }}
+  {{- $changes := splitList " " $.Custom.Issue }}
+  {{- range $issueNbr := $changes }}
+    {{- $changeLink := "[#nbr](https://github.com/dbt-labs/dbt-postgres/issues/nbr)" | replace "nbr" $issueNbr }}
+    {{- $IssueList = append $IssueList $changeLink  }}
+  {{- end -}}
+  - {{.Body}} ({{ range $index, $element := $IssueList }}{{if $index}}, {{end}}{{$element}}{{end}})
+
 kinds:
-  - label: Breaking Changes
-  - label: Features
-  - label: Fixes
-  - label: Docs
-  - label: Under the Hood
-  - label: Dependencies
-  - label: Security
+- label: Breaking Changes
+- label: Features
+- label: Fixes
+- label: Under the Hood
+- label: Dependencies
+  changeFormat: |-
+    {{- $PRList := list }}
+    {{- $changes := splitList " " $.Custom.PR }}
+    {{- range $pullrequest := $changes }}
+      {{- $changeLink := "[#nbr](https://github.com/dbt-labs/dbt-postgres/pull/nbr)" | replace "nbr" $pullrequest }}
+      {{- $PRList = append $PRList $changeLink  }}
+    {{- end -}}
+    - {{.Body}} ({{ range $index, $element := $PRList }}{{if $index}}, {{end}}{{$element}}{{end}})
+  skipGlobalChoices: true
+  additionalChoices:
+    - key: Author
+      label: GitHub Username(s) (separated by a single space if multiple)
+      type: string
+      minLength: 3
+    - key: PR
+      label: GitHub Pull Request Number (separated by a single space if multiple)
+      type: string
+      minLength: 1
+- label: Security
+  changeFormat: |-
+    {{- $PRList := list }}
+    {{- $changes := splitList " " $.Custom.PR }}
+    {{- range $pullrequest := $changes }}
+      {{- $changeLink := "[#nbr](https://github.com/dbt-labs/dbt-postgres/pull/nbr)" | replace "nbr" $pullrequest }}
+      {{- $PRList = append $PRList $changeLink  }}
+    {{- end -}}
+    - {{.Body}} ({{ range $index, $element := $PRList }}{{if $index}}, {{end}}{{$element}}{{end}})
+  skipGlobalChoices: true
+  additionalChoices:
+    - key: Author
+      label: GitHub Username(s) (separated by a single space if multiple)
+      type: string
+      minLength: 3
+    - key: PR
+      label: GitHub Pull Request Number (separated by a single space if multiple)
+      type: string
+      minLength: 1
+
 newlines:
   afterChangelogHeader: 1
   afterKind: 1
@@ -31,3 +76,57 @@ custom:
   label: GitHub Issue Number (separated by a single space if multiple)
   type: string
   minLength: 1
+
+
+footerFormat: |
+  {{- $contributorDict := dict }}
+  {{- /* ensure all names in this list are all lowercase for later matching purposes */}}
+  {{- $core_team := splitList " " .Env.CORE_TEAM }}
+  {{- /* ensure we always skip snyk and dependabot in addition to the core team */}}
+  {{- $maintainers := list "dependabot[bot]" "snyk-bot"}}
+  {{- range $team_member := $core_team }}
+    {{- $team_member_lower := lower $team_member }}
+    {{- $maintainers = append $maintainers $team_member_lower }}
+  {{- end }}
+  {{- range $change := .Changes }}
+    {{- $authorList := splitList " " $change.Custom.Author }}
+    {{- /* loop through all authors for a single changelog */}}
+    {{- range $author := $authorList }}
+      {{- $authorLower := lower $author }}
+      {{- /* we only want to include non-core team contributors */}}
+      {{- if not (has $authorLower $maintainers)}}
+        {{- $changeList := splitList " " $change.Custom.Author }}
+          {{- $IssueList := list }}
+          {{- $changeLink := $change.Kind }}
+          {{- if or (eq $change.Kind "Dependencies") (eq $change.Kind "Security") }}
+            {{- $changes := splitList " " $change.Custom.PR }}
+            {{- range $issueNbr := $changes }}
+              {{- $changeLink := "[#nbr](https://github.com/dbt-labs/dbt-postgres/pull/nbr)" | replace "nbr" $issueNbr }}
+              {{- $IssueList = append $IssueList $changeLink  }}
+            {{- end -}}
+          {{- else }}
+            {{- $changes := splitList " " $change.Custom.Issue }}
+            {{- range $issueNbr := $changes }}
+              {{- $changeLink := "[#nbr](https://github.com/dbt-labs/dbt-postgres/issues/nbr)" | replace "nbr" $issueNbr }}
+              {{- $IssueList = append $IssueList $changeLink  }}
+            {{- end -}}
+          {{- end }}
+          {{- /* check if this contributor has other changes associated with them already */}}
+          {{- if hasKey $contributorDict $author }}
+            {{- $contributionList := get $contributorDict $author }}
+            {{- $contributionList = concat $contributionList $IssueList  }}
+            {{- $contributorDict := set $contributorDict $author $contributionList }}
+          {{- else }}
+            {{- $contributionList := $IssueList }}
+            {{- $contributorDict := set $contributorDict $author $contributionList }}
+          {{- end }}
+        {{- end}}
+    {{- end}}
+  {{- end }}
+  {{- /* no indentation here for formatting so the final markdown doesn't have unneeded indentations */}}
+  {{- if $contributorDict}}
+  ### Contributors
+  {{- range $k,$v := $contributorDict }}
+  - [@{{$k}}](https://github.com/{{$k}}) ({{ range $index, $element := $v }}{{if $index}}, {{end}}{{$element}}{{end}})
+  {{- end }}
+  {{- end }}