Latest Block Time Update

Signed-off-by: Udhayakumari <[email protected]>

app/persistence/fabric/CRUDService.ts

@@ -505,19 +505,24 @@ export class CRUDService {
 	}
 
 	/**
+	 * Returns the channels data
 	 *
-	 *
-	 * @param {*} peerid
+	 * @param {*} network_name
 	 * @returns
 	 * @memberof CRUDService
 	 */
 	async getChannelsInfo(network_name) {
 		const channels = await this.sql.getRowsBySQlNoCondition(
-			` select c.id as id,c.name as channelName,c.blocks as blocks ,c.channel_genesis_hash as channel_genesis_hash,c.trans as transactions,c.createdt as createdat,c.channel_hash as channel_hash from channel c,
-		peer_ref_channel pc where c.channel_genesis_hash = pc.channelid and c.network_name = $1 group by c.id ,c.name ,c.blocks  ,c.trans ,c.createdt ,c.channel_hash,c.channel_genesis_hash order by c.name `,
+			` SELECT c.id as id, c.name as channelName, c.blocks as blocks, c.channel_genesis_hash as channel_genesis_hash,
+			c.trans as transactions, c.createdt as createdat, c.channel_hash as channel_hash, MAX(blocks.createdt) 
+			as latestDate FROM channel c 
+			INNER JOIN blocks ON c.channel_genesis_hash = blocks.channel_genesis_hash AND c.network_name = blocks.network_name 
+			INNER JOIN peer_ref_channel pc ON c.channel_genesis_hash = blocks.channel_genesis_hash AND c.network_name = pc.network_name 
+			WHERE c.network_name = $1 
+			GROUP BY c.id, c.name, c.blocks, c.trans, c.createdt, c.channel_hash, c.channel_genesis_hash 
+			ORDER BY c.name `,
 			[network_name]
 		);
-
 		return channels;
 	}
 

app/platform/fabric/Proxy.ts

@@ -189,8 +189,39 @@ export class Proxy {
 	}
 
 	/**
+	 * Returns the latest block time of the channel
 	 *
-	 *
+	 * @param {*} channel
+	 * @returns
+	 * @memberof Proxy
+	 */
+	getLatestBlockTime(channel) {
+		let latestBlockEntry: Date;
+		let agoBlockTime: string;
+		latestBlockEntry = channel.latestdate;
+		const latestBlockEntryTime = latestBlockEntry.getTime();
+		const currentBlockDate = Date.now();
+		const agoBlockTimeDiff = currentBlockDate - latestBlockEntryTime;
+		const seconds = Math.floor(agoBlockTimeDiff / 1000);
+		const minutes = Math.floor(seconds / 60);
+		const hours = Math.floor(minutes / 60);
+		const days = Math.floor(hours / 24);
+		if (days > 0) {
+			agoBlockTime = days + 'day(s)';
+		} else if (hours > 0) {
+			agoBlockTime = hours + 'hour(s)';
+		} else if (minutes > 0) {
+			agoBlockTime = minutes + 'minute(s)';
+		} else if (seconds > 0) {
+			agoBlockTime = seconds + 'second(s)';
+		}
+		return agoBlockTime;
+	}
+
+	/**
+	 * Returns the channel data with latest block time
+	 * 
+	 * @param {*} network_id
 	 * @returns
 	 * @memberof Proxy
 	 */
@@ -202,11 +233,12 @@ export class Proxy {
 		const currentchannels = [];
 		for (const channel of channels) {
 			const channel_genesis_hash = client.getChannelGenHash(channel.channelname);
+			let agoBlockTimes = this.getLatestBlockTime(channel);
 			if (
 				channel_genesis_hash &&
 				channel_genesis_hash === channel.channel_genesis_hash
 			) {
-				currentchannels.push(channel);
+				currentchannels.push({ ...channel, agoBlockTimes });
 			}
 		}
 		logger.debug('getChannelsInfo >> %j', currentchannels);