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wip: use content-decider to control what you replicate #87

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wip: use content-decider to control what you replicate #87

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13 changes: 10 additions & 3 deletions src/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -13,9 +13,10 @@ class BlockService {
*
* @param {IPFSRepo} ipfsRepo
*/
constructor (ipfsRepo) {
constructor (ipfsRepo, decider) {
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If this is optional can it please go in an options object?

this._repo = ipfsRepo
this._bitswap = null
this._decider = decider
}

/**
Expand Down Expand Up @@ -56,7 +57,8 @@ class BlockService {
* @param {Block} block
* @returns {Promise}
*/
put (block) {
async put (block) {
if (this._decider && await !this._decider(block)) return
if (this.hasExchange()) {
return this._bitswap.put(block)
} else {
Expand All @@ -70,7 +72,11 @@ class BlockService {
* @param {Array<Block>} blocks
* @returns {Promise}
*/
putMany (blocks) {
async putMany (blocks) {
if (this._decider) {
blocks = blocks.map(b => this._decider(b).then(allowed => allowed ? block : null))
blocks = (await Promise.all(blocks)).filter(x => x)
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FYI: .filter(x => x) can also be written as .filter(Boolean).

}
if (this.hasExchange()) {
return this._bitswap.putMany(blocks)
} else {
Expand All @@ -85,6 +91,7 @@ class BlockService {
* @returns {Promise<Block>}
*/
get (cid) {
if (this._decider && !this._decider(cid)) throw new Error("Self-care error, this block is bad for you")
if (this.hasExchange()) {
return this._bitswap.get(cid)
} else {
Expand Down