exchange.Collection addition of job field to struct (#434)

`exchange.Collection` field **jobs** `type: [] string` added to struct

src/internal/connector/exchange/exchange_data_collection.go

@@ -37,6 +37,9 @@ type Collection struct {
 	// M365 user
 	user string // M365 user
 	data chan data.Stream
+	// jobs represents items from the inventory of M365 objectIds whose information
+	// is desired to be sent through the data channel for eventual storage
+	jobs []string
 
 	// FullPath is the slice representation of the action context passed down through the hierarchy.
 	//The original request can be gleaned from the slice. (e.g. {<tenant ID>, <user ID>, "emails"})
@@ -48,17 +51,25 @@ func NewCollection(aUser string, pathRepresentation []string) Collection {
 	collection := Collection{
 		user:     aUser,
 		data:     make(chan data.Stream, collectionChannelBufferSize),
+		jobs:     make([]string, 0),
 		fullPath: pathRepresentation,
 	}
 	return collection
 }
 
+// AddJob appends additional objectID to job field job
+func (eoc *Collection) AddJob(objID string) {
+	eoc.jobs = append(eoc.jobs, objID)
+}
+
+// PopulateCollection TODO: remove after async functionilty completed
 func (eoc *Collection) PopulateCollection(newData *Stream) {
 	eoc.data <- newData
 }
 
 // FinishPopulation is used to indicate data population of the collection is complete
 // TODO: This should be an internal method once we move the message retrieval logic into `ExchangeDataCollection`
+// TODO: This will be removed as the channel will be filled from calls from exchange.Collection
 func (eoc *Collection) FinishPopulation() {
 	if eoc.data != nil {
 		close(eoc.data)

src/internal/connector/exchange/exchange_data_collection_test.go

@@ -93,3 +93,14 @@ func (suite *ExchangeDataCollectionSuite) TestExchangeDataCollection_Items() {
 	}
 	suite.Equal(count, expected)
 }
+
+func (suite *ExchangeDataCollectionSuite) TestExchangeCollection_AddJob() {
+	eoc := NewCollection("Dexter", []string{"Today", "is", "was", "different"})
+	suite.Zero(len(eoc.jobs))
+	shopping := []string{"tomotoes", "potatoes", "pasta", "ice tea"}
+	for _, item := range shopping {
+		eoc.AddJob(item)
+	}
+	suite.Equal(len(shopping), len(eoc.jobs))
+
+}