minpkg/lib/min_dstore.nim
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 |
import std/[json, strutils, oids] import ../core/parser, ../core/value, ../core/interpreter, ../core/utils proc dstore_module*(i: In) = let def = i.define() def.symbol("init") do (i: In): let vals = i.expect("'sym") let p = vals[0].getString p.writeFile("{}") var d = newDict(i.scope) i.dset(d, "data", newDict(i.scope)) i.dset(d, "path", p.newVal) d.objType = "datastore" i.push d def.symbol("read") do (i: In): let vals = i.expect("'sym") let p = vals[0].getString var j = p.readFile.parseJson var d = newDict(i.scope) i.dset(d, "data", i.fromJson(j)) i.dset(d, "path", p.newVal) d.objType = "datastore" i.push d def.symbol("write") do (i: In): let vals = i.expect("dict:datastore") let ds = vals[0] let p = i.dget(ds, "path".newVal).getString let data = i%(i.dget(ds, "data".newVal)) p.writeFile(data.pretty) i.push ds def.symbol("has?") do (i: In): let vals = i.expect("'sym", "dict:datastore") let s = vals[0].getString let ds = vals[1] let parts = s.split("/") let collection = parts[0] let id = parts[1] let data = i.dget(ds, "data".newVal) if not dhas(data, collection): i.push false.newVal else: let cll = i.dget(data, collection.newVal) if dhas(cll, id.newVal): i.push true.newVal else: i.push false.newVal def.symbol("get") do (i: In): let vals = i.expect("'sym", "dict:datastore") let s = vals[0].getString let ds = vals[1] let parts = s.split("/") let collection = parts[0] let id = parts[1] let data = i.dget(ds, "data".newVal) if not dhas(data, collection): raiseInvalid("Collection '$#' does not exist" % collection) let cll = i.dget(data, collection) i.push i.dget(cll, id.newVal) def.symbol("query") do (i: In): let vals = i.expect("quot", "'sym", "dict:datastore") var filter = vals[0] let collection = vals[1] let ds = vals[2] let data = i.dget(ds, "data".newVal) var res = newSeq[MinValue](0) if not dhas(data, collection): i.push res.newVal return let cll = i.dget(data, collection) for e in i.values(cll).qVal: i.push e try: i.dequote(filter) var check = i.pop if check.isBool and check.boolVal == true: res.add e except CatchableError: discard i.push res.newVal def.symbol("post") do (i: In): let vals = i.expect("dict", "'sym", "dict:datastore") var d = vals[0] let collection = vals[1] var ds = vals[2] let id = $genOid() i.dset(d, "id", id.newVal) var data = i.dget(ds, "data".newVal) if not dhas(data, collection): i.dset(data, collection, newDict(i.scope)) var cll = i.dget(data, collection) i.dset(cll, id, d) i.push ds def.symbol("put") do (i: In): let vals = i.expect("dict", "'sym", "dict:datastore") var d = vals[0] let s = vals[1].getString let ds = vals[2] let parts = s.split("/") let collection = parts[0] if parts.len < 2: raiseInvalid("collection/id not specified") let id = parts[1] var data = i.dget(ds, "data".newVal) if not dhas(data, collection): i.dset(data, collection, newDict(i.scope)) var cll = i.dget(data, collection) i.dset(cll, id, d) i.push ds def.symbol("delete") do (i: In): let vals = i.expect("'sym", "dict:datastore") let s = vals[0].getString let ds = vals[1] let parts = s.split("/") if parts.len < 2: raiseInvalid("collection/id not specified") let collection = parts[0] let id = parts[1] var data = i.dget(ds, "data".newVal) if not dhas(data, collection): raiseInvalid("Collection '$#' does not exist" % collection) var cll = i.dget(data, collection) i.ddel(cll, id) i.push ds def.finalize("dstore") |