feat: add Diff feature to gmap (#2774)

container/gmap/gmap_hash_any_any_map.go

@@ -13,6 +13,7 @@ import (
 	"github.com/gogf/gf/v2/internal/json"
 	"github.com/gogf/gf/v2/internal/rwmutex"
 	"github.com/gogf/gf/v2/util/gconv"
+	"reflect"
 )
 
 // AnyAnyMap wraps map type `map[interface{}]interface{}` and provides more map features.
@@ -535,3 +536,28 @@ func (m *AnyAnyMap) IsSubOf(other *AnyAnyMap) bool {
 	}
 	return true
 }
+
+// Diff compares current map `m` with map `other` and returns their different keys.
+// The returned `addedKeys` are the keys that are in map `m` but not in map `other`.
+// The returned `removedKeys` are the keys that are in map `other` but not in map `m`.
+// The returned `updatedKeys` are the keys that are both in map `m` and `other` but their values and not equal (`!=`).
+func (m *AnyAnyMap) Diff(other *AnyAnyMap) (addedKeys, removedKeys, updatedKeys []interface{}) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	other.mu.RLock()
+	defer other.mu.RUnlock()
+
+	for key := range m.data {
+		if _, ok := other.data[key]; !ok {
+			removedKeys = append(removedKeys, key)
+		} else if !reflect.DeepEqual(m.data[key], other.data[key]) {
+			updatedKeys = append(updatedKeys, key)
+		}
+	}
+	for key := range other.data {
+		if _, ok := m.data[key]; !ok {
+			addedKeys = append(addedKeys, key)
+		}
+	}
+	return
+}

container/gmap/gmap_hash_int_any_map.go

@@ -14,6 +14,7 @@ import (
 	"github.com/gogf/gf/v2/internal/json"
 	"github.com/gogf/gf/v2/internal/rwmutex"
 	"github.com/gogf/gf/v2/util/gconv"
+	"reflect"
 )
 
 // IntAnyMap implements map[int]interface{} with RWMutex that has switch.
@@ -536,3 +537,28 @@ func (m *IntAnyMap) IsSubOf(other *IntAnyMap) bool {
 	}
 	return true
 }
+
+// Diff compares current map `m` with map `other` and returns their different keys.
+// The returned `addedKeys` are the keys that are in map `m` but not in map `other`.
+// The returned `removedKeys` are the keys that are in map `other` but not in map `m`.
+// The returned `updatedKeys` are the keys that are both in map `m` and `other` but their values and not equal (`!=`).
+func (m *IntAnyMap) Diff(other *IntAnyMap) (addedKeys, removedKeys, updatedKeys []int) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	other.mu.RLock()
+	defer other.mu.RUnlock()
+
+	for key := range m.data {
+		if _, ok := other.data[key]; !ok {
+			removedKeys = append(removedKeys, key)
+		} else if !reflect.DeepEqual(m.data[key], other.data[key]) {
+			updatedKeys = append(updatedKeys, key)
+		}
+	}
+	for key := range other.data {
+		if _, ok := m.data[key]; !ok {
+			addedKeys = append(addedKeys, key)
+		}
+	}
+	return
+}

container/gmap/gmap_hash_int_int_map.go

@@ -506,3 +506,28 @@ func (m *IntIntMap) IsSubOf(other *IntIntMap) bool {
 	}
 	return true
 }
+
+// Diff compares current map `m` with map `other` and returns their different keys.
+// The returned `addedKeys` are the keys that are in map `m` but not in map `other`.
+// The returned `removedKeys` are the keys that are in map `other` but not in map `m`.
+// The returned `updatedKeys` are the keys that are both in map `m` and `other` but their values and not equal (`!=`).
+func (m *IntIntMap) Diff(other *IntIntMap) (addedKeys, removedKeys, updatedKeys []int) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	other.mu.RLock()
+	defer other.mu.RUnlock()
+
+	for key := range m.data {
+		if _, ok := other.data[key]; !ok {
+			removedKeys = append(removedKeys, key)
+		} else if m.data[key] != other.data[key] {
+			updatedKeys = append(updatedKeys, key)
+		}
+	}
+	for key := range other.data {
+		if _, ok := m.data[key]; !ok {
+			addedKeys = append(addedKeys, key)
+		}
+	}
+	return
+}

container/gmap/gmap_hash_int_str_map.go

@@ -506,3 +506,28 @@ func (m *IntStrMap) IsSubOf(other *IntStrMap) bool {
 	}
 	return true
 }
+
+// Diff compares current map `m` with map `other` and returns their different keys.
+// The returned `addedKeys` are the keys that are in map `m` but not in map `other`.
+// The returned `removedKeys` are the keys that are in map `other` but not in map `m`.
+// The returned `updatedKeys` are the keys that are both in map `m` and `other` but their values and not equal (`!=`).
+func (m *IntStrMap) Diff(other *IntStrMap) (addedKeys, removedKeys, updatedKeys []int) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	other.mu.RLock()
+	defer other.mu.RUnlock()
+
+	for key := range m.data {
+		if _, ok := other.data[key]; !ok {
+			removedKeys = append(removedKeys, key)
+		} else if m.data[key] != other.data[key] {
+			updatedKeys = append(updatedKeys, key)
+		}
+	}
+	for key := range other.data {
+		if _, ok := m.data[key]; !ok {
+			addedKeys = append(addedKeys, key)
+		}
+	}
+	return
+}

container/gmap/gmap_hash_str_any_map.go

@@ -14,6 +14,7 @@ import (
 	"github.com/gogf/gf/v2/internal/json"
 	"github.com/gogf/gf/v2/internal/rwmutex"
 	"github.com/gogf/gf/v2/util/gconv"
+	"reflect"
 )
 
 // StrAnyMap implements map[string]interface{} with RWMutex that has switch.
@@ -522,3 +523,28 @@ func (m *StrAnyMap) IsSubOf(other *StrAnyMap) bool {
 	}
 	return true
 }
+
+// Diff compares current map `m` with map `other` and returns their different keys.
+// The returned `addedKeys` are the keys that are in map `m` but not in map `other`.
+// The returned `removedKeys` are the keys that are in map `other` but not in map `m`.
+// The returned `updatedKeys` are the keys that are both in map `m` and `other` but their values and not equal (`!=`).
+func (m *StrAnyMap) Diff(other *StrAnyMap) (addedKeys, removedKeys, updatedKeys []string) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	other.mu.RLock()
+	defer other.mu.RUnlock()
+
+	for key := range m.data {
+		if _, ok := other.data[key]; !ok {
+			removedKeys = append(removedKeys, key)
+		} else if !reflect.DeepEqual(m.data[key], other.data[key]) {
+			updatedKeys = append(updatedKeys, key)
+		}
+	}
+	for key := range other.data {
+		if _, ok := m.data[key]; !ok {
+			addedKeys = append(addedKeys, key)
+		}
+	}
+	return
+}

container/gmap/gmap_hash_str_int_map.go

@@ -510,3 +510,28 @@ func (m *StrIntMap) IsSubOf(other *StrIntMap) bool {
 	}
 	return true
 }
+
+// Diff compares current map `m` with map `other` and returns their different keys.
+// The returned `addedKeys` are the keys that are in map `m` but not in map `other`.
+// The returned `removedKeys` are the keys that are in map `other` but not in map `m`.
+// The returned `updatedKeys` are the keys that are both in map `m` and `other` but their values and not equal (`!=`).
+func (m *StrIntMap) Diff(other *StrIntMap) (addedKeys, removedKeys, updatedKeys []string) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	other.mu.RLock()
+	defer other.mu.RUnlock()
+
+	for key := range m.data {
+		if _, ok := other.data[key]; !ok {
+			removedKeys = append(removedKeys, key)
+		} else if m.data[key] != other.data[key] {
+			updatedKeys = append(updatedKeys, key)
+		}
+	}
+	for key := range other.data {
+		if _, ok := m.data[key]; !ok {
+			addedKeys = append(addedKeys, key)
+		}
+	}
+	return
+}

container/gmap/gmap_hash_str_str_map.go

@@ -499,3 +499,28 @@ func (m *StrStrMap) IsSubOf(other *StrStrMap) bool {
 	}
 	return true
 }
+
+// Diff compares current map `m` with map `other` and returns their different keys.
+// The returned `addedKeys` are the keys that are in map `m` but not in map `other`.
+// The returned `removedKeys` are the keys that are in map `other` but not in map `m`.
+// The returned `updatedKeys` are the keys that are both in map `m` and `other` but their values and not equal (`!=`).
+func (m *StrStrMap) Diff(other *StrStrMap) (addedKeys, removedKeys, updatedKeys []string) {
+	m.mu.RLock()
+	defer m.mu.RUnlock()
+	other.mu.RLock()
+	defer other.mu.RUnlock()
+
+	for key := range m.data {
+		if _, ok := other.data[key]; !ok {
+			removedKeys = append(removedKeys, key)
+		} else if m.data[key] != other.data[key] {
+			updatedKeys = append(updatedKeys, key)
+		}
+	}
+	for key := range other.data {
+		if _, ok := m.data[key]; !ok {
+			addedKeys = append(addedKeys, key)
+		}
+	}
+	return
+}

container/gmap/gmap_z_unit_hash_any_any_test.go

@@ -406,3 +406,24 @@ func Test_AnyAnyMap_IsSubOf(t *testing.T) {
 		t.Assert(m2.IsSubOf(m2), true)
 	})
 }
+
+func Test_AnyAnyMap_Diff(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m1 := gmap.NewAnyAnyMapFrom(g.MapAnyAny{
+			"0": "v0",
+			"1": "v1",
+			2:   "v2",
+			3:   3,
+		})
+		m2 := gmap.NewAnyAnyMapFrom(g.MapAnyAny{
+			"0": "v0",
+			2:   "v2",
+			3:   "v3",
+			4:   "v4",
+		})
+		addedKeys, removedKeys, updatedKeys := m1.Diff(m2)
+		t.Assert(addedKeys, []interface{}{4})
+		t.Assert(removedKeys, []interface{}{"1"})
+		t.Assert(updatedKeys, []interface{}{3})
+	})
+}

container/gmap/gmap_z_unit_hash_int_any_test.go

@@ -390,3 +390,24 @@ func Test_IntAnyMap_IsSubOf(t *testing.T) {
 		t.Assert(m2.IsSubOf(m2), true)
 	})
 }
+
+func Test_IntAnyMap_Diff(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m1 := gmap.NewIntAnyMapFrom(g.MapIntAny{
+			0: "v0",
+			1: "v1",
+			2: "v2",
+			3: 3,
+		})
+		m2 := gmap.NewIntAnyMapFrom(g.MapIntAny{
+			0: "v0",
+			2: "v2",
+			3: "v3",
+			4: "v4",
+		})
+		addedKeys, removedKeys, updatedKeys := m1.Diff(m2)
+		t.Assert(addedKeys, []int{4})
+		t.Assert(removedKeys, []int{1})
+		t.Assert(updatedKeys, []int{3})
+	})
+}

container/gmap/gmap_z_unit_hash_int_int_test.go

@@ -398,3 +398,24 @@ func Test_IntIntMap_IsSubOf(t *testing.T) {
 		t.Assert(m2.IsSubOf(m2), true)
 	})
 }
+
+func Test_IntIntMap_Diff(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m1 := gmap.NewIntIntMapFrom(g.MapIntInt{
+			0: 0,
+			1: 1,
+			2: 2,
+			3: 3,
+		})
+		m2 := gmap.NewIntIntMapFrom(g.MapIntInt{
+			0: 0,
+			2: 2,
+			3: 31,
+			4: 4,
+		})
+		addedKeys, removedKeys, updatedKeys := m1.Diff(m2)
+		t.Assert(addedKeys, []int{4})
+		t.Assert(removedKeys, []int{1})
+		t.Assert(updatedKeys, []int{3})
+	})
+}

container/gmap/gmap_z_unit_hash_int_str_test.go

@@ -462,3 +462,24 @@ func Test_IntStrMap_IsSubOf(t *testing.T) {
 		t.Assert(m2.IsSubOf(m2), true)
 	})
 }
+
+func Test_IntStrMap_Diff(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m1 := gmap.NewIntStrMapFrom(g.MapIntStr{
+			0: "0",
+			1: "1",
+			2: "2",
+			3: "3",
+		})
+		m2 := gmap.NewIntStrMapFrom(g.MapIntStr{
+			0: "0",
+			2: "2",
+			3: "31",
+			4: "4",
+		})
+		addedKeys, removedKeys, updatedKeys := m1.Diff(m2)
+		t.Assert(addedKeys, []int{4})
+		t.Assert(removedKeys, []int{1})
+		t.Assert(updatedKeys, []int{3})
+	})
+}

container/gmap/gmap_z_unit_hash_str_any_test.go

@@ -396,3 +396,24 @@ func Test_StrAnyMap_IsSubOf(t *testing.T) {
 		t.Assert(m2.IsSubOf(m2), true)
 	})
 }
+
+func Test_StrAnyMap_Diff(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m1 := gmap.NewStrAnyMapFrom(g.MapStrAny{
+			"0": "v0",
+			"1": "v1",
+			"2": "v2",
+			"3": 3,
+		})
+		m2 := gmap.NewStrAnyMapFrom(g.MapStrAny{
+			"0": "v0",
+			"2": "v2",
+			"3": "v3",
+			"4": "v4",
+		})
+		addedKeys, removedKeys, updatedKeys := m1.Diff(m2)
+		t.Assert(addedKeys, []string{"4"})
+		t.Assert(removedKeys, []string{"1"})
+		t.Assert(updatedKeys, []string{"3"})
+	})
+}

container/gmap/gmap_z_unit_hash_str_int_test.go

@@ -404,3 +404,24 @@ func Test_StrIntMap_IsSubOf(t *testing.T) {
 		t.Assert(m2.IsSubOf(m2), true)
 	})
 }
+
+func Test_StrIntMap_Diff(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m1 := gmap.NewStrIntMapFrom(g.MapStrInt{
+			"0": 0,
+			"1": 1,
+			"2": 2,
+			"3": 3,
+		})
+		m2 := gmap.NewStrIntMapFrom(g.MapStrInt{
+			"0": 0,
+			"2": 2,
+			"3": 31,
+			"4": 4,
+		})
+		addedKeys, removedKeys, updatedKeys := m1.Diff(m2)
+		t.Assert(addedKeys, []string{"4"})
+		t.Assert(removedKeys, []string{"1"})
+		t.Assert(updatedKeys, []string{"3"})
+	})
+}

container/gmap/gmap_z_unit_hash_str_str_test.go

@@ -403,3 +403,24 @@ func Test_StrStrMap_IsSubOf(t *testing.T) {
 		t.Assert(m2.IsSubOf(m2), true)
 	})
 }
+
+func Test_StrStrMap_Diff(t *testing.T) {
+	gtest.C(t, func(t *gtest.T) {
+		m1 := gmap.NewStrStrMapFrom(g.MapStrStr{
+			"0": "0",
+			"1": "1",
+			"2": "2",
+			"3": "3",
+		})
+		m2 := gmap.NewStrStrMapFrom(g.MapStrStr{
+			"0": "0",
+			"2": "2",
+			"3": "31",
+			"4": "4",
+		})
+		addedKeys, removedKeys, updatedKeys := m1.Diff(m2)
+		t.Assert(addedKeys, []string{"4"})
+		t.Assert(removedKeys, []string{"1"})
+		t.Assert(updatedKeys, []string{"3"})
+	})
+}