Chat SDK provides the group counter feature, allowing a certain number of counters to be set for each group.
Unlike Group Custom Attributes, group counters are mainly used to store integer-type data. You can use group counters to store additional group-related information, such as the cumulative number of viewers, the number of views, the number of likes received by the host, and the total number of gifts given by the audience to the host in a live group.
Note:
1. Group counters support all types of groups, excluding topic-enabled community groups.
1. A single group can support up to 20 group counters, meaning the number of keys in a single group should not exceed 20.
2. The key for a single group counter cannot exceed 128 characters, and the value must be an integer (up to 64-bit signed integers).
3. setGroupCounters, increaseGroupCounter, and decreaseGroupCounter APIs combine computations, with an SDK limit of 20 calls per 5 seconds per log in to user. If exceeded, the interface returns error code 2996.
4. getGroupCounters interface calculates independently. The SDK limits a single user to a maximum of 20 calls within 5 seconds per log in. If the limit is exceeded, the interface returns error code 2996.
Display Effect
Setting Group Counters
After the counter is successfully set, the TencentCloudChat.EVENT.GROUP_COUNTER_UPDATED event is triggered.
Note:
1. If the key of the counter you are about to set exists, then the value of the counter will be updated directly; if not, then a new key-value will be added.
2. If multiple users set the same counter at the same time, the final value of the counter will be used. It's recommended that the group owner performs counter setting operations.
API
chat.setGroupCounters(options);
Parameters
The options parameter is of the Objecttype, and contains the following attribute values:
Name
Type
Description
groupID
String
Group ID
counters
Object
Group Counter key-value
Returned value
Promise
Sample
// Set the values of counters key1 and key2 to 0
let promise = chat.setGroupCounters({
groupID:'group1',
counters:{key1:0,key2:0}
});
promise.then(function(imResponse){// Set successfully
console.log(imResponse.data.counters);// Group counters set successfully
}).catch(function(imError){// Setting failed
console.warn('setGroupCounters error:', imError);// Error information
});
Incrementing the Value of a Group Counter
After the counter is successfully set, the TencentCloudChat.EVENT.GROUP_COUNTER_UPDATED event is triggered.
Note:
1. The value in the interface parameters is the change amount; after calling the interface, the incoming change amount will be added to the current value.
2. If the counter key you are about to set already exists, the system will directly increment the current value based on the incoming value; otherwise, it will add the key and increment based on the incoming value starting from a default value of 0.
API
chat.increaseGroupCounter(options);
Parameters
The options parameter is of the Object type, and contains the following attribute values:
Name
Type
Description
groupID
String
Group ID
key
String
Group Counter Key
value
Number
Incremental Change Amount of the Group Counter Key
Returned value
Promise
Sample
// Assuming the current value of counter key1 is 8. After calling the increaseGroupCounter interface and passing // the incremental change amount value of 2, the final value of key1 becomes 10.
After the counter is successfully set, the TencentCloudChat.EVENT.GROUP_COUNTER_UPDATED event is triggered.
Note:
1. The value in the interface parameters is a change amount; after calling the interface, the incoming change amount will be subtracted from the current value.
2. If the counter key you are about to set already exists, the system will directly decrement the current value based on the incoming value; otherwise, it will add the key and decrement based on the incoming value starting from a default value of 0.
API
chat.decreaseGroupCounter(options);
Parameters
The options parameter is of the Objecttype, and contains the following attribute values:
Name
Type
Description
groupID
String
Group ID
key
String
Group Counter Key
value
Number
Incremental Change Amount of the Group Counter Key
Returned value
Promise
Sample
// Assuming the current value of the counter key1 is 8.
// After calling the decreaseGroupCounter API with a decrement value of 2
console.warn('getGroupCounters error:', imError);// Error information
});
Group Counter Change Notification
When you call the setGroupCounters, increaseGroupCounter, or decreaseGroupCounter interfaces to modify the group counters, the TencentCloudChat.EVENT.GROUP_COUNTER_UPDATED event will be triggered and the updated value will be returned.
Sample
letonGroupCounterUpdated=function(event){
const{ groupID, key, value }= event.data;
// groupID - Group ID
// key - Group counter key
// value - Value corresponding to the group counter key
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