prefix: compose

imports:
  - github.com/cortezaproject/corteza/server/compose/types

params:
  moduleLookup: &moduleLookup
    required: true
    types:
      - { wf: ID,               }
      - { wf: Handle,           }
      - { wf: ComposeModule,    suffix: res }
    meta:
      label: Module
      description: |-
        Even with unique record ID across all modules, module needs to be known
        before doing any record operations. Mainly because records of different
        modules can be located in different stores.

  namespaceLookup: &namespaceLookup
    meta: { label: Namespace }
    required: true
    types:
      - { wf: ID,               }
      - { wf: Handle,           }
      - { wf: ComposeNamespace, suffix: res }

  recordLookup: &recordLookup
    meta: { label: Record }
    required: true
    types:
      - { wf: ID,               }
      - { wf: ComposeRecord,    suffix: res }

  record: &record
    meta: { label: Record }
    required: true
    types:
      - { wf: ComposeRecord,    }

  rvRecord: &rvRecord
    wf: ComposeRecord

  rvTotal: &rvTotal
    wf: UnsignedInteger
    meta:
      label: Total records found
      description: |-
        Total items that satisfy given conditions.

        Needs to be explicitly requested with incTotal argument

  rvIndex: &rvIndex
    wf: UnsignedInteger
    meta:
      label: Iteration counter
      description: |-
        Zero-based number iteration counter

  rvPageCursor: &rvPageCursor
    wf: String

  rvPageNavigation: &rvPageNavigation
    wf: Array

  filterParams: &filterParams
    namespace: *namespaceLookup
    module: *moduleLookup
    query:
      meta: { label: Query }
      types:
        - { wf: String }
    meta:
      meta: { label: Meta }
      types:
        - { wf: Meta }
    deleted:
      meta: { label: Deleted }
      types:
        - { wf: UnsignedInteger }
    sort:
      meta: { label: Sort }
      types:
        - { wf: String }
    limit:
      meta: { label: Limit }
      types:
        - { wf: UnsignedInteger }
    incTotal:
      meta: { label: Include total }
      types:
        - { wf: Boolean }
    incPageNavigation:
      meta: { label: Include page navigation }
      types:
        - { wf: Boolean }
    pageCursor:
      meta: { label: Page cursor }
      types:
        - { wf: String }

  edgeParams: &edgeParams
    namespace: *namespaceLookup
    module: *moduleLookup

labels: &labels
  record: "step,workflow"
  compose: "step,workflow"

functions:
  lookup:
    meta:
      short: Compose record lookup
      description: Find specific record by ID
    labels:
      <<: *labels
    params:
      namespace: *namespaceLookup
      module:    *moduleLookup
      record:    *recordLookup
    results:
      record: *rvRecord

  search:
    meta:
      short: Compose records search
    labels:
      <<: *labels
    params: *filterParams
    results:
      records:
        <<: *rvRecord
        isArray: true
      total:          *rvTotal
      nextPage:       *rvPageCursor
      prevPage:       *rvPageCursor
      pageNavigation: *rvPageNavigation

  first:
    meta:
      short: Compose record lookup (oldest)
    labels:
      <<: *labels
    params: *edgeParams
    results:
      record: *rvRecord

  last:
    meta:
      short: Compose record lookup (newest)
    labels:
      <<: *labels
    params: *edgeParams
    results:
      record: *rvRecord

  each:
    kind: iterator
    meta:
      short: Compose records
    labels:
      <<: *labels
    params: *filterParams
    results:
      record: *rvRecord
      index:  *rvIndex
      total:  *rvTotal

  new:
    meta:
      short: Compose record maker
      description: Creates new compose record instance without saving it
    labels:
      <<: *labels
    params:
      namespace: *namespaceLookup
      module:    *moduleLookup
    results:
      record: *rvRecord

  validate:
    meta:
      short: Compose record validator
    labels:
      <<: *labels
    params:
      record: *record
    results:
      valid:
        wf: Boolean
        meta:
          label: Set to true when record is valid

  create:
    meta:
      short: Compose record create
    labels:
      <<: *labels
      create: "step"
    params:
      record:
        <<: *record
        meta: { label: Record }
        required: true
    results:
      record: *rvRecord

  update:
    meta:
      short: Compose record update
    labels:
      <<: *labels
      update: "step"
    params:
      record:
        <<: *record
        meta: { label: Record }
        required: true
    results:
      record: *rvRecord

  delete:
    meta:
      short: Compose record delete
    labels:
      <<: *labels
      delete: "step"
    params:
      module:
        <<: *moduleLookup
        required: false
      namespace:
        <<: *namespaceLookup
        meta: { label: Namespace }
        required: false
      record: *recordLookup

#  undelete:
#    meta:
#      short: Recovers deleted record by ID
#    params:
#      record: *recordLookup



  report:
    meta:
      short: Report
      description: Compose records report
    labels:
      <<: *labels
    params:
      namespace: *namespaceLookup
      module:    *moduleLookup
      metrics:
        required: true
        types: [ { wf: String } ]
        meta:
          label: Metrics for records report
          description: |-
            List of comma delimited expressions with aggregation functions (count, sum, min, avg)
      dimensons:
        required: true
        types: [ { wf: String } ]
        meta:
          label: Dimensons for records report
          description: |-
             List of comma delimited dimension (i.e.: group by) expressions or fields
      filter:
        required: true
        types: [ { wf: String } ]
        meta:
          label: Filter for records report
          description: |-
            Filter in CortezaQL format
    results:
      report:
        wf: Any
        meta:
          label: Complex structure holding complete records report
          description: |-
            Example of a result value
            []map[string]interface{}{
            	{"count": 3, "dimension_0": 1, "metric_0": 3},
            	{"count": 2, "dimension_0": 2, "metric_0": 5},
            	{"count": 1, "dimension_0": nil, "metric_0": nil},
            }

  clone:
    meta:
      short: Compose record cloner
      description: Creates a copy of an existing record
    labels:
      <<: *labels
    params:
      namespace: *namespaceLookup
      module: *moduleLookup
      record: *recordLookup
    results:
      record: *rvRecord