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Merge pull request #189 from go-redis/fix/geo-radius-parsing 

Fix GeoRadius reply parsing.
This commit is contained in:
Vladimir Mihailenco 2015-11-14 16:50:33 +02:00
parent 0ddff681c2 842ea553dc
commit d1e774fa21
4 changed files with 131 additions and 150 deletions
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36
command.go
View File

@ -773,7 +773,7 @@ func (cmd *ClusterSlotCmd) readReply(cn *conn) error {
// GeoLocation is used with GeoAdd to add geospatial location.
type GeoLocation struct {
Name string
Longitude, Latitude, Distance float64
Longitude, Latitude, Dist float64
GeoHash int64
}
@ -793,11 +793,39 @@ type GeoRadiusQuery struct {
type GeoLocationCmd struct {
baseCmd
q *GeoRadiusQuery
locations []GeoLocation
}
func NewGeoLocationCmd(args ...interface{}) *GeoLocationCmd {
return &GeoLocationCmd{baseCmd: baseCmd{_args: args, _clusterKeyPos: 1}}
func NewGeoLocationCmd(q *GeoRadiusQuery, args ...interface{}) *GeoLocationCmd {
args = append(args, q.Radius)
if q.Unit != "" {
args = append(args, q.Unit)
} else {
args = append(args, "km")
}
if q.WithCoord {
args = append(args, "WITHCOORD")
}
if q.WithDist {
args = append(args, "WITHDIST")
}
if q.WithGeoHash {
args = append(args, "WITHHASH")
}
if q.Count > 0 {
args = append(args, "COUNT", q.Count)
}
if q.Sort != "" {
args = append(args, q.Sort)
}
return &GeoLocationCmd{
baseCmd: baseCmd{
_args: args,
_clusterKeyPos: 1,
},
q: q,
}
}
func (cmd *GeoLocationCmd) reset() {
@ -818,7 +846,7 @@ func (cmd *GeoLocationCmd) String() string {
}
func (cmd *GeoLocationCmd) readReply(cn *conn) error {
reply, err := readArrayReply(cn, geoLocationSliceParser)
reply, err := readArrayReply(cn, newGeoLocationSliceParser(cmd.q))
if err != nil {
cmd.err = err
return err

35
commands.go
View File

@ -1722,41 +1722,16 @@ func (c *commandable) GeoAdd(key string, geoLocation ...*GeoLocation) *IntCmd {
return cmd
}
func (c *commandable) geoRadius(args []interface{}, query *GeoRadiusQuery) *GeoLocationCmd {
args = append(args, query.Radius)
if query.Unit != "" {
args = append(args, query.Unit)
} else {
args = append(args, "km")
}
if query.WithCoord {
args = append(args, "WITHCOORD")
}
if query.WithDist {
args = append(args, "WITHDIST")
}
if query.WithGeoHash {
args = append(args, "WITHHASH")
}
if query.Count > 0 {
args = append(args, "COUNT", query.Count)
}
if query.Sort != "" {
args = append(args, query.Sort)
}
cmd := NewGeoLocationCmd(args...)
func (c *commandable) GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd {
cmd := NewGeoLocationCmd(query, "GEORADIUS", key, longitude, latitude)
c.Process(cmd)
return cmd
}
func (c *commandable) GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd {
args := []interface{}{"GEORADIUS", key, longitude, latitude}
return c.geoRadius(args, query)
}
func (c *commandable) GeoRadiusByMember(key, member string, query *GeoRadiusQuery) *GeoLocationCmd {
args := []interface{}{"GEORADIUSBYMEMBER", key, member}
return c.geoRadius(args, query)
cmd := NewGeoLocationCmd(query, "GEORADIUSBYMEMBER", key, member)
c.Process(cmd)
return cmd
}
func (c *commandable) GeoDist(key string, member1, member2, unit string) *FloatCmd {

106
commands_test.go
View File

@ -2553,17 +2553,7 @@ var _ = Describe("Commands", func() {
})
Describe("Geo add and radius search", func() {
It("should add one geo location", func() {
geoAdd := client.GeoAdd(
"Sicily",
&redis.GeoLocation{Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
)
Expect(geoAdd.Err()).NotTo(HaveOccurred())
Expect(geoAdd.Val()).To(Equal(int64(1)))
})
It("should add multiple geo locations", func() {
BeforeEach(func() {
geoAdd := client.GeoAdd(
"Sicily",
&redis.GeoLocation{Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
@ -2573,16 +2563,19 @@ var _ = Describe("Commands", func() {
Expect(geoAdd.Val()).To(Equal(int64(2)))
})
It("should not add same geo location", func() {
geoAdd := client.GeoAdd(
"Sicily",
&redis.GeoLocation{Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
)
Expect(geoAdd.Err()).NotTo(HaveOccurred())
Expect(geoAdd.Val()).To(Equal(int64(0)))
})
It("should search geo radius", func() {
geoAdd := client.GeoAdd(
"Sicily",
&redis.GeoLocation{Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
&redis.GeoLocation{Longitude: 15.087269, Latitude: 37.502669, Name: "Catania"},
)
Expect(geoAdd.Err()).NotTo(HaveOccurred())
Expect(geoAdd.Val()).To(Equal(int64(2)))
res, err := client.GeoRadius("Sicily", 15, 37, &redis.GeoRadiusQuery{Radius: 200}).Result()
res, err := client.GeoRadius("Sicily", 15, 37, &redis.GeoRadiusQuery{
Radius: 200,
}).Result()
Expect(err).NotTo(HaveOccurred())
Expect(res).To(HaveLen(2))
Expect(res[0].Name).To(Equal("Palermo"))
@ -2590,14 +2583,6 @@ var _ = Describe("Commands", func() {
})
It("should search geo radius with options", func() {
locations := []*redis.GeoLocation{
&redis.GeoLocation{Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
&redis.GeoLocation{Longitude: 15.087269, Latitude: 37.502669, Name: "Catania"},
}
geoAdd := client.GeoAdd("Sicily", locations...)
Expect(geoAdd.Err()).NotTo(HaveOccurred())
Expect(geoAdd.Val()).To(Equal(int64(2)))
res, err := client.GeoRadius("Sicily", 15, 37, &redis.GeoRadiusQuery{
Radius: 200,
Unit: "km",
@ -2610,27 +2595,41 @@ var _ = Describe("Commands", func() {
Expect(err).NotTo(HaveOccurred())
Expect(res).To(HaveLen(2))
Expect(res[1].Name).To(Equal("Palermo"))
Expect(res[1].Distance).To(Equal(190.4424))
Expect(res[1].Dist).To(Equal(190.4424))
Expect(res[1].GeoHash).To(Equal(int64(3479099956230698)))
Expect(res[1].Longitude).To(Equal(13.361389338970184))
Expect(res[1].Latitude).To(Equal(38.115556395496299))
Expect(res[0].Name).To(Equal("Catania"))
Expect(res[0].Distance).To(Equal(56.4413))
Expect(res[0].Dist).To(Equal(56.4413))
Expect(res[0].GeoHash).To(Equal(int64(3479447370796909)))
Expect(res[0].Longitude).To(Equal(15.087267458438873))
Expect(res[0].Latitude).To(Equal(37.50266842333162))
})
It("should search geo radius with WithDist=false", func() {
res, err := client.GeoRadius("Sicily", 15, 37, &redis.GeoRadiusQuery{
Radius: 200,
Unit: "km",
WithGeoHash: true,
WithCoord: true,
Count: 2,
Sort: "ASC",
}).Result()
Expect(err).NotTo(HaveOccurred())
Expect(res).To(HaveLen(2))
Expect(res[1].Name).To(Equal("Palermo"))
Expect(res[1].Dist).To(Equal(float64(0)))
Expect(res[1].GeoHash).To(Equal(int64(3479099956230698)))
Expect(res[1].Longitude).To(Equal(13.361389338970184))
Expect(res[1].Latitude).To(Equal(38.115556395496299))
Expect(res[0].Name).To(Equal("Catania"))
Expect(res[0].Dist).To(Equal(float64(0)))
Expect(res[0].GeoHash).To(Equal(int64(3479447370796909)))
Expect(res[0].Longitude).To(Equal(15.087267458438873))
Expect(res[0].Latitude).To(Equal(37.50266842333162))
})
It("should search geo radius by member with options", func() {
locations := []*redis.GeoLocation{
&redis.GeoLocation{Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
&redis.GeoLocation{Longitude: 15.087269, Latitude: 37.502669, Name: "Catania"},
}
geoAdd := client.GeoAdd("Sicily", locations...)
Expect(geoAdd.Err()).NotTo(HaveOccurred())
Expect(geoAdd.Val()).To(Equal(int64(2)))
res, err := client.GeoRadiusByMember("Sicily", "Catania", &redis.GeoRadiusQuery{
Radius: 200,
Unit: "km",
@ -2643,25 +2642,18 @@ var _ = Describe("Commands", func() {
Expect(err).NotTo(HaveOccurred())
Expect(res).To(HaveLen(2))
Expect(res[0].Name).To(Equal("Catania"))
Expect(res[0].Distance).To(Equal(0.0))
Expect(res[0].Dist).To(Equal(0.0))
Expect(res[0].GeoHash).To(Equal(int64(3479447370796909)))
Expect(res[0].Longitude).To(Equal(15.087267458438873))
Expect(res[0].Latitude).To(Equal(37.50266842333162))
Expect(res[1].Name).To(Equal("Palermo"))
Expect(res[1].Distance).To(Equal(166.2742))
Expect(res[1].Dist).To(Equal(166.2742))
Expect(res[1].GeoHash).To(Equal(int64(3479099956230698)))
Expect(res[1].Longitude).To(Equal(13.361389338970184))
Expect(res[1].Latitude).To(Equal(38.115556395496299))
})
It("should search geo radius with no results", func() {
geoAdd := client.GeoAdd("Sicily", &redis.GeoLocation{
Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
&redis.GeoLocation{Longitude: 15.087269, Latitude: 37.502669, Name: "Catania"},
)
Expect(geoAdd.Err()).NotTo(HaveOccurred())
Expect(geoAdd.Val()).To(Equal(int64(2)))
res, err := client.GeoRadius("Sicily", 99, 37, &redis.GeoRadiusQuery{
Radius: 200,
Unit: "km",
@ -2682,15 +2674,6 @@ var _ = Describe("Commands", func() {
// "166274.15156960033"
// GEODIST Sicily Palermo Catania km
// "166.27415156960032"
locations := []*redis.GeoLocation{
&redis.GeoLocation{Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
&redis.GeoLocation{Longitude: 15.087269, Latitude: 37.502669, Name: "Catania"},
}
geoAdd := client.GeoAdd("Sicily", locations...)
Expect(geoAdd.Err()).NotTo(HaveOccurred())
Expect(geoAdd.Val()).To(Equal(int64(2)))
geoDist := client.GeoDist("Sicily", "Palermo", "Catania", "km")
Expect(geoDist.Err()).NotTo(HaveOccurred())
Expect(geoDist.Val()).To(Equal(166.27415156960032))
@ -2701,20 +2684,11 @@ var _ = Describe("Commands", func() {
})
It("should get geo hash in string representation", func() {
locations := []*redis.GeoLocation{
&redis.GeoLocation{Longitude: 13.361389, Latitude: 38.115556, Name: "Palermo"},
&redis.GeoLocation{Longitude: 15.087269, Latitude: 37.502669, Name: "Catania"},
}
geoAdd := client.GeoAdd("Sicily", locations...)
Expect(geoAdd.Err()).NotTo(HaveOccurred())
Expect(geoAdd.Val()).To(Equal(int64(2)))
res, err := client.GeoHash("Sicily", "Palermo", "Catania").Result()
Expect(err).NotTo(HaveOccurred())
Expect(res[0]).To(Equal("sqc8b49rny0"))
Expect(res[1]).To(Equal("sqdtr74hyu0"))
})
})
Describe("marshaling/unmarshaling", func() {

22
parser.go
View File

@ -629,27 +629,28 @@ func clusterSlotInfoSliceParser(cn *conn, n int64) (interface{}, error) {
return infos, nil
}
func geoLocationParser(cn *conn, n int64) (interface{}, error) {
loc := &GeoLocation{}
func newGeoLocationParser(q *GeoRadiusQuery) multiBulkParser {
return func(cn *conn, n int64) (interface{}, error) {
var loc GeoLocation
var err error
loc.Name, err = readStringReply(cn)
if err != nil {
return nil, err
}
if n >= 2 {
loc.Distance, err = readFloatReply(cn)
if q.WithDist {
loc.Dist, err = readFloatReply(cn)
if err != nil {
return nil, err
}
}
if n >= 3 {
if q.WithGeoHash {
loc.GeoHash, err = readIntReply(cn)
if err != nil {
return nil, err
}
}
if n >= 4 {
if q.WithCoord {
n, err := readArrayHeader(cn)
if err != nil {
return nil, err
@ -668,13 +669,15 @@ func geoLocationParser(cn *conn, n int64) (interface{}, error) {
}
}
return loc, nil
return &loc, nil
}
}
func geoLocationSliceParser(cn *conn, n int64) (interface{}, error) {
func newGeoLocationSliceParser(q *GeoRadiusQuery) multiBulkParser {
return func(cn *conn, n int64) (interface{}, error) {
locs := make([]GeoLocation, 0, n)
for i := int64(0); i < n; i++ {
v, err := readReply(cn, geoLocationParser)
v, err := readReply(cn, newGeoLocationParser(q))
if err != nil {
return nil, err
}
@ -691,3 +694,4 @@ func geoLocationSliceParser(cn *conn, n int64) (interface{}, error) {
}
return locs, nil
}
}