Fix url service (#108)

url/examples.json

@@ -24,7 +24,7 @@
     "proxy": [{
         "title": "Resolve a short URL to a long destination URL",
         "request": {
-            "shortURL": "f8f3f83f3f83g"
+            "shortURL": "https://m3o.one/u3zS8YHmYp"
         },
         "response": {
             "destinationURL": "https://mysite.com/this-is-a-rather-long-web-address"

url/handler/url.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"errors"
 	"strings"
+	"time"
 
 	"github.com/micro/micro/v3/service/config"
 	"github.com/micro/micro/v3/service/model"
@@ -31,15 +32,18 @@ func NewUrl() *Url {
 		hp = hostPrefix
 	}
 
-	ownerIndex := model.ByEquality("Owner")
+	ownerIndex := model.ByEquality("owner")
 	ownerIndex.Order.Type = model.OrderTypeUnordered
 
+	m := model.NewModel(
+		model.WithKey("shortURL"),
+		model.WithIndexes(ownerIndex),
+	)
+	m.Register(&url.URLPair{})
 	return &Url{
-		pairs: model.NewModel(
+		pairs:      m,
-			model.WithKey("ShortURL"),
-			model.WithIndexes(ownerIndex),
-		),
 		ownerIndex: ownerIndex,
+		hostPrefix: hp,
 	}
 }
 
@@ -57,11 +61,16 @@ func (e *Url) Shorten(ctx context.Context, req *url.ShortenRequest, rsp *url.Sho
 	if err != nil {
 		return err
 	}
-	return e.pairs.Create(&url.URLPair{
+
+	p := &url.URLPair{
 		DestinationURL: req.DestinationURL,
 		ShortURL:       id,
 		Owner:          tenantID,
-	})
+		Created:        time.Now().Unix(),
+	}
+	rsp.ShortURL = e.hostPrefix + id
+
+	return e.pairs.Create(p)
 }
 
 func (e *Url) List(ctx context.Context, req *url.ListRequest, rsp *url.ListResponse) error {
@@ -71,7 +80,7 @@ func (e *Url) List(ctx context.Context, req *url.ListRequest, rsp *url.ListRespo
 	}
 
 	rsp.UrlPairs = []*url.URLPair{}
-	err := e.pairs.Read(e.ownerIndex.ToQuery(e.ownerIndex.ToQuery(tenantID)), &rsp.UrlPairs)
+	err := e.pairs.Read(e.ownerIndex.ToQuery(tenantID), &rsp.UrlPairs)
 	if err != nil {
 		return err
 	}
@@ -83,7 +92,7 @@ func (e *Url) List(ctx context.Context, req *url.ListRequest, rsp *url.ListRespo
 
 func (e *Url) Proxy(ctx context.Context, req *url.ProxyRequest, rsp *url.ProxyResponse) error {
 	var pair url.URLPair
-	err := e.pairs.Read(e.ownerIndex.ToQuery(model.QueryEquals("ShortURL", e.hostPrefix+"/"+req.ShortURL)), pair)
+	err := e.pairs.Read(model.QueryEquals("shortURL", strings.Replace(req.ShortURL, e.hostPrefix, "", -1)), &pair)
 	if err != nil {
 		return err
 	}

url/proto/url.pb.go

@@ -20,6 +20,7 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+// Shortens a destination URL and returns a full short URL.
 type ShortenRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -122,6 +123,7 @@ type URLPair struct {
 	DestinationURL string `protobuf:"bytes,1,opt,name=destinationURL,proto3" json:"destinationURL,omitempty"`
 	ShortURL       string `protobuf:"bytes,2,opt,name=shortURL,proto3" json:"shortURL,omitempty"`
 	Owner          string `protobuf:"bytes,3,opt,name=owner,proto3" json:"owner,omitempty"`
+	Created        int64  `protobuf:"varint,4,opt,name=created,proto3" json:"created,omitempty"`
 }
 
 func (x *URLPair) Reset() {
@@ -177,6 +179,15 @@ func (x *URLPair) GetOwner() string {
 	return ""
 }
 
+func (x *URLPair) GetCreated() int64 {
+	if x != nil {
+		return x.Created
+	}
+	return 0
+}
+
+// List shortened URLs. It has no input parameters, as it will take
+// the user ID from the token and list the user's (caller's) shortened URLs.
 type ListRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -262,11 +273,16 @@ func (x *ListResponse) GetUrlPairs() []*URLPair {
 	return nil
 }
 
+// Proxy returns the destination URL of a short URL.
+// Proxy resolves even URLs not owned by the token holder,
+// unlike the List endpoint.
 type ProxyRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
+	// short url ID, without the domain, eg. if your short URL is
+	// `m3o.one/u/someshorturlid` then pass in `someshorturlid`
 	ShortURL string `protobuf:"bytes,1,opt,name=shortURL,proto3" json:"shortURL,omitempty"`
 }
 
@@ -367,37 +383,38 @@ var file_proto_url_proto_rawDesc = []byte{
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 }
 
 var (

url/proto/url.proto

@@ -23,6 +23,7 @@ message URLPair {
 	string destinationURL = 1;
 	string shortURL = 2;
 	string owner = 3;
+	int64 created = 4;
 }
 
 // List shortened URLs. It has no input parameters, as it will take