Minor fix while registering multiple models.

go.mod

@@ -15,12 +15,13 @@ require (
 	github.com/pelletier/go-toml v1.4.0 // indirect
 	github.com/spf13/afero v1.2.2 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/spf13/viper v1.4.0
 	github.com/stretchr/objx v0.2.0 // indirect
 	github.com/stretchr/testify v1.4.0
-	golang.org/x/sys v0.0.0-20190909082730-f460065e899a // indirect
+	golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24 // indirect
 	golang.org/x/text v0.3.2
-	gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
-	gopkg.in/go-playground/validator.v9 v9.29.1
+	gopkg.in/go-playground/validator.v9 v9.30.0
+	gopkg.in/yaml.v2 v2.2.3 // indirect
 )

go.sum

@@ -114,6 +114,8 @@ github.com/spf13/jwalterweatherman v1.1.0 h1:ue6voC5bR5F8YxI5S67j9i582FU4Qvo2bmq
 github.com/spf13/jwalterweatherman v1.1.0/go.mod h1:aNWZUN0dPAAO/Ljvb5BEdw96iTZ0EXowPYD95IqWIGo=
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.4.0 h1:yXHLWeravcrgGyFSyCgdYpXQ9dR9c/WED3pg1RhxqEU=
 github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
@@ -154,8 +156,8 @@ golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190909082730-f460065e899a h1:mIzbOulag9/gXacgxKlFVwpCOWSfBT3/pDyyCwGA9as=
-golang.org/x/sys v0.0.0-20190909082730-f460065e899a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24 h1:R8bzl0244nw47n1xKs1MUMAaTNgjavKcN/aX2Ss3+Fo=
+golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
@@ -172,15 +174,15 @@ gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLks
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
-gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
-gopkg.in/go-playground/validator.v9 v9.29.1 h1:SvGtYmN60a5CVKTOzMSyfzWDeZRxRuGvRQyEAKbw1xc=
-gopkg.in/go-playground/validator.v9 v9.29.1/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
+gopkg.in/go-playground/validator.v9 v9.30.0 h1:Wk0Z37oBmKj9/n+tPyBHZmeL19LaCoK3Qq48VwYENss=
+gopkg.in/go-playground/validator.v9 v9.30.0/go.mod h1:+c9/zcJMFNgbLvly1L1V+PpxWdVbfP1avr/N00E2vyQ=
 gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.2.3 h1:fvjTMHxHEw/mxHbtzPi3JCcKXQRAnQTBRo6YCJSVHKI=
+gopkg.in/yaml.v2 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

mapping/map.go

@@ -95,19 +95,24 @@ func (m *ModelMap) ModelByName(name string) *ModelStruct {
 // RegisterModels registers the model within the model map container.
 func (m *ModelMap) RegisterModels(models ...interface{}) error {
 	// iterate over models and register one by one
-	var err error
+	var thisModels []*ModelStruct
 	for _, model := range models {
+		log.Debug3f("Registering Model: '%T'", model)
 		// build the model's structure and set into model map.
 		mStruct, err := buildModelStruct(model, m.NamerFunc)
 		if err != nil {
 			return err
 		}
 
-		if err = m.Set(mStruct); err != nil {
-			continue
+		// check if the model wasn't already registered within the ModelMap 'm'.
+		if m.models[mStruct.Type()] != nil {
+			return errors.Newf(class.ModelInSchemaAlreadyRegistered, "model: '%s' was already registered.", mStruct.Collection())
 		}
 
-		var modelConfig *config.ModelConfig
+		if err = m.Set(mStruct); err != nil {
+			return err
+		}
+		thisModels = append(thisModels, mStruct)
 
 		modelConfig, ok := m.Configs[mStruct.collectionType]
 		if !ok {
@@ -131,12 +136,14 @@ func (m *ModelMap) RegisterModels(models ...interface{}) error {
 		mStruct.namerFunc = m.NamerFunc
 	}
 
-	for _, modelStruct := range m.models {
+	var err error
+	for _, modelStruct := range thisModels {
 		if err = m.setUntaggedFields(modelStruct); err != nil {
 			return err
 		}
 
 		if modelStruct.assignedFields() == 0 {
+			log.Debug3f("Assigned fields: %v - number: %v", modelStruct.assignedFields(), modelStruct.store[assignedFieldsKey])
 			err = errors.NewDetf(class.ModelMappingNoFields, "model: '%s' have no fields defined", modelStruct.Type().Name())
 			return err
 		}
@@ -171,11 +178,10 @@ func (m *ModelMap) RegisterModels(models ...interface{}) error {
 		return err
 	}
 
-	for _, model := range m.models {
+	for _, model := range thisModels {
 		model.structFieldCount = len(model.StructFields())
 		model.clearInitializeStoreKeys()
 	}
-
 	return nil
 }
 

mapping/model-structs.go

@@ -380,6 +380,7 @@ func (m *ModelStruct) clearInitializeStoreKeys() {
 	// clear untagged fields
 	delete(m.store, untaggedFieldKey)
 	delete(m.store, assignedFieldsKey)
+	log.Debug3f("Cleared model: '%s' internal store key", m.Collection())
 }
 
 // computeNestedIncludedCount computes the included count for given limit
@@ -459,6 +460,7 @@ func (m *ModelStruct) increaseAssignedFields() {
 		assignedFields = v.(int)
 	}
 	assignedFields++
+	log.Debug3f("Model: '%s' assignedFields: %d", m.Collection(), assignedFields)
 	m.store[assignedFieldsKey] = assignedFields
 }