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app: expose cache function to koa context

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DIYgod
2018-05-18 01:31:51 +08:00
parent 1e33575315
commit c893d1ad17
2 changed files with 10 additions and 0 deletions
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5
middleware/lru-cache.js
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@@ -21,6 +21,11 @@ module.exports = function(options = {}) {
max: maxLength, max: maxLength,
}); });
options.app.context.cache = {
get: (key) => memoryCache.get(key),
set: (key, value, maxAge) => memoryCache.set(key, value, maxAge),
};
return async function cache(ctx, next) { return async function cache(ctx, next) {
const { url, path } = ctx.request; const { url, path } = ctx.request;
const resolvedPrefix = typeof prefix === 'function' ? prefix.call(ctx, ctx) : prefix; const resolvedPrefix = typeof prefix === 'function' ? prefix.call(ctx, ctx) : prefix;

5
middleware/redis-cache.js
View File

@@ -39,6 +39,11 @@ module.exports = function(options = {}) {
onconnect(); onconnect();
}); });
options.app.context.cache = {
get: async (key) => await redisClient.get(key),
set: async (key, value, maxAge) => await redisClient.setex(key, maxAge, value),
};
return async function cache(ctx, next) { return async function cache(ctx, next) {
const { url, path } = ctx.request; const { url, path } = ctx.request;
const resolvedPrefix = typeof prefix === 'function' ? prefix.call(ctx, ctx) : prefix; const resolvedPrefix = typeof prefix === 'function' ? prefix.call(ctx, ctx) : prefix;