✨(dashboard) add courses and statements dashboards

We display course related statistics in a dedicated dashboards.

Makefile

@@ -12,6 +12,7 @@ WAIT_GRAFANA         = $(COMPOSE_RUN) dockerize -wait http://grafana:3000 -timeo
 
 # -- Targets
 sources := $(shell find src/ -type f -name '*.jsonnet')
+libraries := $(shell find src/ -type f -name '*.libsonnet')
 targets := $(patsubst src/%.jsonnet,var/lib/grafana/%.json,$(sources))
 
 # -- Plugins
@@ -73,12 +74,12 @@ down: ## remove stack (warning: it removes the database container)
 	@$(COMPOSE) down || echo WARNING: unable to remove the stack. Try to stop linked containers or networks first.
 .PHONY: down
 
-format: ## format Jsonnet sources
-	bin/jsonnetfmt -i $(sources)
+format: ## format Jsonnet sources and libraries
+	bin/jsonnetfmt -i $(sources) $(libraries)
 .PHONY: format
 
-lint: ## lint Jsonnet sources
-	bin/jsonnet-lint $(sources)
+lint: ## lint Jsonnet sources and libraries
+	bin/jsonnet-lint $(sources) $(libraries)
 .PHONY: lint
 
 logs: ## display grafana logs (follow mode)

bin/jsonnet-lint

@@ -7,4 +7,5 @@ DOCKER_USER="$(id -u):$(id -g)"
 # the dashboard directory is mounted in the container working directory, e.g.
 # src/dashboards is mounted in /app/dashboards (with /app as the working
 # directory).
-DOCKER_USER=${DOCKER_USER} docker-compose run --rm app jsonnet-lint "${@//src\//}"
+COMMAND="for file_name in ${@//src\//}; do jsonnet-lint \$file_name ; done"
+DOCKER_USER=${DOCKER_USER} docker-compose run --rm app /bin/sh -c "$COMMAND"

src/dashboards/videos/common.libsonnet

@@ -0,0 +1,90 @@
+local grafana = import 'grafonnet/grafana.libsonnet';
+local template = grafana.template;
+
+{
+  field: {
+    actor_account_name: 'actor.account.name.keyword',
+    context_extensions_completion_threshold: 'context.extensions.https://w3id.org/xapi/video/extensions/completion-threshold',
+    course: 'object.definition.extensions.http://adlnet.gov/expapi/activities/course.keyword',
+    result_extensions_length: 'result.extensions.https://w3id.org/xapi/video/extensions/length',
+    result_extensions_time: 'result.extensions.https://w3id.org/xapi/video/extensions/time',
+    school: 'object.definition.extensions.https://w3id.org/xapi/acrossx/extensions/school.keyword',
+    session: 'object.definition.extensions.http://adlnet.gov/expapi/activities/module.keyword',
+    video_id: 'object.id.keyword',
+  },
+  lrs: 'lrs',
+  method: {
+    double_escape_string(x):: std.strReplace(std.strReplace(x, ':', '\\\\:'), '/', '\\\\/'),
+    single_escape_string(x):: std.strReplace(std.strReplace(x, ':', '\\:'), '/', '\\/'),
+  },
+  object: {
+    count_metric: { id: '1', type: 'count' },
+    date_histogram(interval='auto', min_doc_count='1'):: {
+      id: 'date',
+      field: 'timestamp',
+      type: 'date_histogram',
+      settings: {
+        interval: interval,
+        min_doc_count: min_doc_count,
+        trimEdges: '0',
+      },
+    },
+  },
+  query: {
+    school_course_session: '%(school)s:$SCHOOL AND %(course)s:$COURSE AND %(session)s:$SESSION' % {
+      school: $.method.single_escape_string($.field.school),
+      course: $.method.single_escape_string($.field.course),
+      session: $.method.single_escape_string($.field.session),
+    },
+  },
+  template: {
+    course: template.new(
+      name='COURSE',
+      current='all',
+      label='Course',
+      datasource=$.lrs,
+      query='{"find": "terms", "field": "%(course)s", "query": "%(school)s:$SCHOOL"}' % {
+        course: $.field.course,
+        school: $.method.double_escape_string($.field.school),
+      },
+      refresh='time'
+    ),
+    school: template.new(
+      name='SCHOOL',
+      current='all',
+      label='School',
+      datasource=$.lrs,
+      query='{"find": "terms", "field": "%(school)s"}' % { school: $.field.school },
+      refresh='time'
+    ),
+    session: template.new(
+      name='SESSION',
+      current='all',
+      label='Session',
+      datasource=$.lrs,
+      query='{"find": "terms", "field": "%(session)s", "query": "%(course)s:$COURSE"}' % {
+        session: $.field.session,
+        course: $.method.double_escape_string($.field.course),
+      },
+      refresh='time'
+    ),
+    statements_interval: template.custom(
+      name='STATEMENTS_INTERVAL',
+      current='7d',
+      label='Statements interval',
+      query='1d,7d,14d,21d,28d',
+      refresh='time'
+    ),
+    view_count_threshold: template.custom(
+      name='VIEW_COUNT_THRESHOLD',
+      current='30',
+      label='View count threshold',
+      query='0,10,20,30,40,50,60',
+      refresh='time'
+    ),
+  },
+  value: {
+    verb_id_completed: 'http://adlnet.gov/expapi/verbs/completed',
+    verb_id_played: 'https://w3id.org/xapi/video/verbs/played',
+  },
+}