Go: Implement GetBit, SetBit, BitCount and Wait commands (#2918)

* Added bitmap commands,wait commands

Signed-off-by: Niharika Bhavaraju <[email protected]>

go/api/base_client.go

@@ -33,6 +33,7 @@ type BaseClient interface {
 	ConnectionManagementCommands
 	HyperLogLogCommands
 	GenericBaseCommands
+	BitmapCommands
 	// Close terminates the client by closing all associated resources.
 	Close()
 }
@@ -3162,3 +3163,150 @@ func (client *baseClient) XAck(key string, group string, ids []string) (int64, e
 	}
 	return handleIntResponse(result)
 }
+
+// Sets or clears the bit at offset in the string value stored at key.
+// The offset is a zero-based index, with `0` being the first element of
+// the list, `1` being the next element, and so on. The offset must be
+// less than `2^32` and greater than or equal to `0` If a key is
+// non-existent then the bit at offset is set to value and the preceding
+// bits are set to `0`.
+//
+// Parameters:
+//
+//	key - The key of the string.
+//	offset - The index of the bit to be set.
+//	value - The bit value to set at offset The value must be `0` or `1`.
+//
+// Return value:
+//
+//	The bit value that was previously stored at offset.
+//
+// Example:
+//
+//	result, err := client.SetBit("key", 1, 1)
+//	result: 1
+//
+// [valkey.io]: https://valkey.io/commands/setbit/
+func (client *baseClient) SetBit(key string, offset int64, value int64) (int64, error) {
+	result, err := client.executeCommand(C.SetBit, []string{key, utils.IntToString(offset), utils.IntToString(value)})
+	if err != nil {
+		return defaultIntResponse, err
+	}
+	return handleIntResponse(result)
+}
+
+// Returns the bit value at offset in the string value stored at key.
+//
+//	offset should be greater than or equal to zero.
+//
+// Parameters:
+//
+//	key - The key of the string.
+//	offset - The index of the bit to return.
+//
+// Return value:
+// The bit at offset of the string. Returns zero if the key is empty or if the positive
+// offset exceeds the length of the string.
+//
+// Example:
+//
+//	result, err := client.GetBit("key1", 1, 1)
+//	result: 1
+//
+// [valkey.io]: https://valkey.io/commands/getbit/
+func (client *baseClient) GetBit(key string, offset int64) (int64, error) {
+	result, err := client.executeCommand(C.GetBit, []string{key, utils.IntToString(offset)})
+	if err != nil {
+		return defaultIntResponse, err
+	}
+	return handleIntResponse(result)
+}
+
+// Wait blocks the current client until all the previous write commands are successfully
+// transferred and acknowledged by at least the specified number of replicas or if the timeout is reached,
+// whichever is earlier
+//
+// Parameters:
+//
+//	numberOfReplicas - The number of replicas to reach.
+//	timeout - The timeout value specified in milliseconds. A value of `0` will
+//	block indefinitely.
+//
+// Return value:
+// The number of replicas reached by all the writes performed in the context of the current connection.
+//
+// Example:
+//
+//	 result, err := client.Wait(1, 1000)
+//	 if err != nil {
+//		// handle error
+//	 }
+//	 fmt.Println(result.Value()) // Output: 1 // if cluster has 2 replicasets
+//
+// [valkey.io]: https://valkey.io/commands/wait/
+func (client *baseClient) Wait(numberOfReplicas int64, timeout int64) (int64, error) {
+	result, err := client.executeCommand(C.Wait, []string{utils.IntToString(numberOfReplicas), utils.IntToString(timeout)})
+	if err != nil {
+		return defaultIntResponse, err
+	}
+	return handleIntResponse(result)
+}
+
+// Counts the number of set bits (population counting) in a string stored at key.
+//
+// Parameters:
+//
+//	key - The key for the string to count the set bits of.
+//
+// Return value:
+// The number of set bits in the string. Returns zero if the key is missing as it is
+// treated as an empty string.
+//
+// Example:
+//
+//	result, err := client.BitCount("mykey")
+//	result: 26
+//
+// [valkey.io]: https://valkey.io/commands/bitcount/
+func (client *baseClient) BitCount(key string) (int64, error) {
+	result, err := client.executeCommand(C.BitCount, []string{key})
+	if err != nil {
+		return defaultIntResponse, err
+	}
+	return handleIntResponse(result)
+}
+
+// Counts the number of set bits (population counting) in a string stored at key. The
+// offsets start and end are zero-based indexes, with `0` being the first element of the
+// list, `1` being the next element and so on. These offsets can also be negative numbers
+// indicating offsets starting at the end of the list, with `-1` being the last element
+// of the list, `-2` being the penultimate, and so on.
+//
+// Parameters:
+//
+//	key - The key for the string to count the set bits of.
+//	options - The offset options - see [options.BitOffsetOptions].
+//
+// Return value:
+// The number of set bits in the string interval specified by start, end, and options.
+// Returns zero if the key is missing as it is treated as an empty string.
+//
+// Example:
+//
+//	opts := NewBitCountOptionsBuilder().SetStart(1).SetEnd(1).SetBitmapIndexType(options.BYTE)
+//	result, err := client.BitCount("mykey",options)
+//	result: 6
+//
+// [valkey.io]: https://valkey.io/commands/bitcount/
+func (client *baseClient) BitCountWithOptions(key string, opts *options.BitCountOptions) (int64, error) {
+	optionArgs, err := opts.ToArgs()
+	if err != nil {
+		return defaultIntResponse, err
+	}
+	commandArgs := append([]string{key}, optionArgs...)
+	result, err := client.executeCommand(C.BitCount, commandArgs)
+	if err != nil {
+		return defaultIntResponse, err
+	}
+	return handleIntResponse(result)
+}

go/api/bitmap_commands.go

@@ -0,0 +1,20 @@
+// Copyright Valkey GLIDE Project Contributors - SPDX Identifier: Apache-2.0
+
+package api
+
+import "github.com/valkey-io/valkey-glide/go/glide/api/options"
+
+// Supports commands and transactions for the "Bitmap" group of commands for standalone and cluster clients.
+//
+// See [valkey.io] for details.
+//
+// [valkey.io]: https://valkey.io/commands/#bitmap
+type BitmapCommands interface {
+	SetBit(key string, offset int64, value int64) (int64, error)
+
+	GetBit(key string, offset int64) (int64, error)
+
+	BitCount(key string) (int64, error)
+
+	BitCountWithOptions(key string, options *options.BitCountOptions) (int64, error)
+}

go/api/generic_base_commands.go

@@ -703,4 +703,6 @@ type GenericBaseCommands interface {
 	//
 	// [valkey.io]: https://valkey.io/commands/sort/
 	SortReadOnlyWithOptions(key string, sortOptions *options.SortOptions) ([]Result[string], error)
+
+	Wait(numberOfReplicas int64, timeout int64) (int64, error)
 }

go/api/options/bitcount_options.go

@@ -0,0 +1,63 @@
+// Copyright Valkey GLIDE Project Contributors - SPDX Identifier: Apache-2.0
+
+package options
+
+import (
+	"github.com/valkey-io/valkey-glide/go/glide/utils"
+)
+
+type BitmapIndexType string
+
+const (
+	BYTE BitmapIndexType = "BYTE"
+	BIT  BitmapIndexType = "BIT"
+)
+
+// Optional arguments to `BitCount` in [BitMapCommands]
+type BitCountOptions struct {
+	start           *int64
+	end             *int64
+	bitMapIndexType BitmapIndexType
+}
+
+func NewBitCountOptionsBuilder() *BitCountOptions {
+	return &BitCountOptions{}
+}
+
+// SetStart defines start byte to calculate bitcount in bitcount command.
+func (options *BitCountOptions) SetStart(start int64) *BitCountOptions {
+	options.start = &start
+	return options
+}
+
+// SetEnd defines start byte to calculate bitcount in bitcount command.
+func (options *BitCountOptions) SetEnd(end int64) *BitCountOptions {
+	options.end = &end
+	return options
+}
+
+// SetBitmapIndexType to specify start and end are in BYTE or BIT
+func (options *BitCountOptions) SetBitmapIndexType(bitMapIndexType BitmapIndexType) *BitCountOptions {
+	options.bitMapIndexType = bitMapIndexType
+	return options
+}
+
+// ToArgs converts the options to a list of arguments.
+func (opts *BitCountOptions) ToArgs() ([]string, error) {
+	args := []string{}
+	var err error
+
+	if opts.start != nil {
+		args = append(args, utils.IntToString(*opts.start))
+		if opts.end != nil {
+			args = append(args, utils.IntToString(*opts.end))
+			if opts.bitMapIndexType != "" {
+				if opts.bitMapIndexType == BIT || opts.bitMapIndexType == BYTE {
+					args = append(args, string(opts.bitMapIndexType))
+				}
+			}
+		}
+	}
+
+	return args, err
+}