sourceafColdFeet::ChecksumStrategy.fan

using afIoc
using afIocConfig
using afIocEnv
using afBedSheet::BedSheetMetaData

** Cold Feet's strategy for generating checksums based on a file. 
const mixin ChecksumStrategy {
    
    ** Return a checksum for the given file. The checksum must NOT contain the character '/'.
    abstract Str checksum(File file)
    
}

internal const class ChecksumFromAppVersion : ChecksumStrategy {
    private const Str appVersion
    
    new make(IocEnv iocEnv, BedSheetMetaData meta) {
        this.appVersion = iocEnv.isDev ? Int.random.toHex(8)[0..8] : "v" + meta.appPod?.version?.segments?.join("-")
    }

    override Str checksum(File file) {
        appVersion
    }
}

@NoDoc
const class ChecksumFromConst : ChecksumStrategy {
    private const Str myChecksum
    
    new make(Str myChecksum) {
        this.myChecksum = myChecksum
    }

    override Str checksum(File file) {
        myChecksum
    }
}