feat: improve sorting functionality in collectionGetHandler

The code changes in `handler.go` modify the `collectionGetHandler` function in the API handler. The changes introduce a more robust sorting functionality by splitting the sort parameter by comma and appending each part to the `clearedSort` slice. This allows for multiple sort criteria to be applied.

dbinterface.go

@@ -1,62 +0,0 @@
-package mgoapi
-
-import (
-	"gitbase.de/gopackage/mgocrud/v2"
-	"gopkg.in/mgo.v2/bson"
-)
-
-type Session interface {
-	Close()
-	Copy() Session
-	DB(name string) Database
-}
-
-type Database interface {
-	Session() Session
-	C(name string) Collection
-	Name() string
-	EnsureIndex(m mgocrud.ModelInterface) error
-	ValidateObject(m mgocrud.ModelInterface, changes bson.M) error
-	ReadDocument(m mgocrud.ModelInterface, selector bson.M) error
-	CreateDocument(m mgocrud.ModelInterface) error
-	ReadCollection(results interface{}, filter bson.M, selector bson.M, offset int, limit int, sort []string, pipelineModifier mgocrud.PipelineModifierFunction) error
-	ReadCollectionCount(m mgocrud.ModelInterface, filter bson.M) (count int, err error)
-	UpdateDocument(m mgocrud.ModelInterface, changes bson.M) error
-	UpsertDocument(m mgocrud.ModelInterface, changes bson.M) error
-	DeleteDocument(m mgocrud.ModelInterface) error
-	DeleteDocuments(m mgocrud.ModelInterface, filter bson.M) (removed int, err error)
-}
-
-type Collection interface {
-	Insert(docs ...interface{}) error
-	UpdateId(id interface{}, update interface{}) error
-	RemoveId(id interface{}) error
-	Upsert(selector interface{}, update interface{}) (ChangeInfo, error)
-	RemoveAll(filter interface{}) (ChangeInfo, error)
-	FindId(id interface{}) Query
-	Find(query interface{}) Query
-	EnsureIndex(index Index) error
-	Pipe(pipeline interface{}) Pipe
-}
-
-type ChangeInfo interface {
-	Matched() int
-	Removed() int
-	Updated() int
-}
-
-type Query interface {
-	Select(selector interface{}) Query
-	One(result interface{}) error
-	Sort(fields ...string) Query
-	Skip(n int) Query
-	Limit(n int) Query
-	All(result interface{}) error
-	Count() (int, error)
-}
-
-type Index interface{}
-
-type Pipe interface {
-	All(result interface{}) error
-}

go.mod

@@ -3,8 +3,16 @@ module gitbase.de/gopackage/mgoapi/v2
 go 1.16
 
 require (
-	gitbase.de/gopackage/mgocrud/v2 v2.0.5
+	gitbase.de/gopackage/mgocrud/v2 v2.0.17
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
-	github.com/gin-gonic/gin v1.6.3
+	github.com/gin-gonic/gin v1.8.1
+	github.com/go-playground/validator/v10 v10.11.1 // indirect
+	github.com/goccy/go-json v0.10.0 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
+	golang.org/x/crypto v0.4.0 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22
 )

go.sum

@@ -1,5 +1,6 @@
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@@ -7,58 +8,128 @@ github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumC
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+golang.org/x/net v0.4.0 h1:Q5QPcMlvfxFTAPV0+07Xz/MpK9NTXu2VDUuy0FeMfaU=
+golang.org/x/net v0.4.0/go.mod h1:MBQ8lrhLObU/6UmLb4fmbmk5OcyYmqtbGd/9yIeKjEE=
+golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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+golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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+golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
+golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
+golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
+gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 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.v8 v8.18.2 h1:lFB4DoMU6B626w8ny76MV7VX6W2VHct2GVOI3xgiMrQ=
 gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
 gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 h1:VpOs+IwYnYBaFnrNAeB8UUWtL3vEUnzSCL1nVjPhqrw=
 gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

handler.go

@@ -15,7 +15,7 @@ import (
 func (api *API) collectionGetOneHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 	return func(c *gin.Context) {
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
@@ -79,7 +79,7 @@ func (api *API) collectionGetHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 
 		results := x.Interface()
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
@@ -136,8 +136,11 @@ func (api *API) collectionGetHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 		}
 		clearedSort := []string{}
 		for _, s := range sort {
-			if s != "" {
+			// split by comma and append all parts to clearedSort
-				clearedSort = append(clearedSort, s)
+			for _, sPart := range strings.Split(s, ",") {
+				if sPart != "" {
+					clearedSort = append(clearedSort, sPart)
+				}
 			}
 		}
 
@@ -205,7 +208,7 @@ func (api *API) collectionPostHandler(m mgocrud.ModelInterface) gin.HandlerFunc
 			return
 		}
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
@@ -257,7 +260,7 @@ func (api *API) collectionPostHandler(m mgocrud.ModelInterface) gin.HandlerFunc
 
 func (api *API) collectionPutHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 	return func(c *gin.Context) {
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 
@@ -399,7 +402,7 @@ func (api *API) collectionPutHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 func (api *API) collectionDeleteHandler(m mgocrud.ModelInterface) gin.HandlerFunc {
 	return func(c *gin.Context) {
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 

helper.go

@@ -154,7 +154,7 @@ func getModelMeta(m mgocrud.ModelInterface) []map[string]interface{} {
 	return getStructMeta(modelType, dontRecurse)
 }
 
-func getDocument(c *gin.Context, db Database, m mgocrud.ModelInterface, selector bson.M) (mgocrud.ModelInterface, error) {
+func getDocument(c *gin.Context, db mgocrud.Database, m mgocrud.ModelInterface, selector bson.M) (mgocrud.ModelInterface, error) {
 	objectID, err := string2ObjectID(c.Param("id"))
 	if err != nil {
 		return nil, err

hooks.go

@@ -71,7 +71,7 @@ func validateObject(c *Context, m mgocrud.ModelInterface, changes bson.M) error
 		}
 	}
 
-	return c.DB.ValidateObject(m, changes)
+	return mgocrud.ValidateObject(c.DB, m, changes)
 }
 
 func savedObject(c *Context, m mgocrud.ModelInterface, changes bson.M) error {

login.go

@@ -5,6 +5,7 @@ import (
 	"reflect"
 	"time"
 
+	"gitbase.de/gopackage/mgocrud/v2"
 	jwt "github.com/dgrijalva/jwt-go"
 
 	"github.com/gin-gonic/gin"
@@ -12,7 +13,7 @@ import (
 
 // LoginModel is interface for modules which can be used for the login route
 type LoginModel interface {
-	LoginCheck(db Database) (tokenData interface{}, err error)
+	LoginCheck(db mgocrud.Database) (tokenData interface{}, err error)
 	LoginResponse(token string) (interface{}, error)
 }
 
@@ -26,7 +27,7 @@ func (api *API) loginPostHandler(m LoginModel) func(c *gin.Context) {
 			return
 		}
 
-		session := api.DBSession.Copy()
+		session := api.DBConnection.NewSession()
 		defer session.Close()
 		db := session.DB(api.DBName)
 

register.go

@@ -7,37 +7,38 @@ import (
 
 // API is wrapper for one RouterGroup and mgo DB
 type API struct {
-	DBSession            Session
+	DBConnection         mgocrud.Connection
 	DBName               string
 	routerGroup          *gin.RouterGroup
 	jwtSecret            []byte
 	authenticationHeader string
+	modelRegistry        []mgocrud.ModelInterface
 }
 
 // Context is gin.Context with extras
 type Context struct {
 	*gin.Context
 	API *API
-	DB  Database
+	DB  mgocrud.Database
 }
 
 // New returns new instance of the API
-func New(session Session, dbname string, routerGroup *gin.RouterGroup) *API {
+func New(connection mgocrud.Connection, dbname string, routerGroup *gin.RouterGroup) *API {
+	modelRegistry := make([]mgocrud.ModelInterface, 0)
 	return &API{
-		DBSession:   session,
+		DBConnection:  connection,
 		DBName:        dbname,
 		routerGroup:   routerGroup,
+		modelRegistry: modelRegistry,
 	}
 }
 
-var modelRegistry = make([]mgocrud.ModelInterface, 0)
-
 // RegisterModel setups gin routes for model GET, POST, PUT and DELETE
 func (api *API) RegisterModel(m mgocrud.ModelInterface) {
 
-	modelRegistry = append(modelRegistry, m)
+	api.modelRegistry = append(api.modelRegistry, m)
 
-	session := api.DBSession.Copy()
+	session := api.DBConnection.NewSession()
 	defer session.Close()
 	db := session.DB(api.DBName)
 
@@ -75,7 +76,7 @@ func (api *API) AddMetaRoute(route string) {
 	api.routerGroup.GET(route, func(c *gin.Context) {
 		modelMeta := make(map[string]interface{})
 
-		for _, m := range modelRegistry {
+		for _, m := range api.modelRegistry {
 			modelMeta[mgocrud.GetCollectionName(m)] = getModelMeta(m)
 		}
 
@@ -84,7 +85,7 @@ func (api *API) AddMetaRoute(route string) {
 		})
 	})
 
-	for _, m := range modelRegistry {
+	for _, m := range api.modelRegistry {
 		api.routerGroup.GET("/_meta/"+mgocrud.GetCollectionName(m), api.collectionGetMetaHandler(m))
 	}