src/litestore.nim
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import
litestorepkg/lib/x_sqlite3,
litestorepkg/lib/x_db_sqlite as db,
strutils,
os,
oids,
times,
json,
pegs,
uri,
strtabs,
httpcore,
cgi,
base64
import
litestorepkg/lib/types,
litestorepkg/lib/logger,
litestorepkg/lib/utils,
litestorepkg/lib/core,
litestorepkg/lib/cli,
litestorepkg/lib/server
export
types,
server,
logger,
utils
from asyncdispatch import runForever
{.compile: "vendor/sqlite/libsqlite3.c".}
{.passC: "-DSQLITE_ENABLE_FTS3=1 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DSQLITE_ENABLE_JSON1".}
proc executeOperation*() =
let file = LS.execution.file
let body = LS.execution.body
let ctype = LS.execution.ctype
let uri = LS.execution.uri
let operation = LS.execution.operation
var req:LSRequest
case operation.toUpperAscii:
of "GET":
req.reqMethod = HttpGet
of "POST":
req.reqMethod = HttpPost
of "PUT":
req.reqMethod = HttpPut
of "PATCH":
req.reqMethod = HttpPatch
of "DELETE":
req.reqMethod = HttpDelete
of "OPTIONS":
req.reqMethod = HttpOptions
of "HEAD":
req.reqMethod = HttpHead
else:
fail(203, "Operation '$1' is not supported" % [operation])
if body.len > 0:
req.body = body
elif file.len > 0:
req.body = file.readFile
req.headers = newHttpHeaders()
if ctype.len > 0:
req.headers["Content-Type"] = ctype
req.hostname = "<cli>"
req.url = parseUri("$1://$2:$3/$4" % @["http", "localhost", "9500", uri])
let resp = req.process(LS)
echo resp.content
if resp.code.int < 300 and resp.code.int >= 200:
quit(0)
else:
quit(resp.code.int)
proc setup*(open = true) =
if not LS.file.fileExists:
try:
LOG.debug("Creating datastore: ", LS.file)
LS.file.createDatastore()
except:
eWarn()
fail(200, "Unable to create datastore '$1'" % [LS.file])
if (open):
try:
LS.store = LS.file.openDatastore()
if LS.mount:
try:
LS.store.mountDir(LS.directory)
except:
eWarn()
fail(202, "Unable to mount directory '$1'" % [LS.directory])
except:
fail(201, "Unable to open datastore '$1'" % [LS.file])
when isMainModule:
# Manage vacuum operation separately
if LS.operation == opVacuum:
setup(false)
vacuum LS.file
else:
# Open Datastore
setup(true)
case LS.operation:
of opRun:
LS.serve
runForever()
of opImport:
LS.store.importDir(LS.directory)
of opExport:
LS.store.exportDir(LS.directory)
of opDelete:
LS.store.deleteDir(LS.directory)
of opOptimize:
LS.store.optimize
of opExecute:
executeOperation()
else:
discard
else:
proc params*(query: string): StringTableRef =
new(result)
let pairs = query.split("&")
for pair in pairs:
let data = pair.split("=")
result[data[0]] = data[1]
proc query*(table: StringTableRef): string =
var params = newSeq[string](0)
for key, value in pairs(table):
params.add("$1=$2" % @[key, value])
return params.join("&")
proc newLSRequest(meth: HttpMethod, resource, id, body = "", params = newStringTable(), headers = newHttpHeaders()): LSRequest =
result.reqMethod = meth
result.body = body
result.headers = headers
result.url = parseUri("$1://$2:$3/$4/$5?$6" % @["http", "localhost", "9500", resource, id, params.query()])
# Public API: Low-level
proc getInfo*(): LSResponse =
return LS.getInfo()
proc getRawDocuments*(options = newQueryOptions()): LSResponse =
return LS.getRawDocuments(options)
proc getDocument*(id: string, options = newQueryOptions()): LSResponse =
return LS.getDocument(id, options)
proc getRawDocument*(id: string, options = newQueryOptions()): LSResponse =
return LS.getRawDocument(id, options)
proc deleteDocument*(id: string): LSResponse =
return LS.deleteDocument(id)
proc postDocument*(body, ct: string, folder=""): LSResponse =
return LS.postDocument(body, ct, folder)
proc putDocument*(id, body, ct: string): LSResponse =
return LS.putDocument(id, body, ct)
proc patchDocument*(id, body: string): LSResponse =
return LS.patchDocument(id, body)
# Public API: High-level
proc get*(resource, id: string, params = newStringTable(), headers = newHttpHeaders()): LSResponse =
return newLSRequest(HttpGet, resource, id, "", params, headers).get(LS, resource, id)
proc post*(resource, folder, body: string, headers = newHttpHeaders()): LSResponse =
return newLSRequest(HttpPost, resource, "", body, newStringTable(), headers).post(LS, resource, folder & "/")
proc put*(resource, id, body: string, headers = newHttpHeaders()): LSResponse =
return newLSRequest(HttpPut, resource, id, body, newStringTable(), headers).put(LS, resource, id)
proc patch*(resource, id, body: string, headers = newHttpHeaders()): LSResponse =
return newLSRequest(HttpPatch, resource, id, body, newStringTable(), headers).patch(LS, resource, id)
proc delete*(resource, id: string, headers = newHttpHeaders()): LSResponse =
return newLSRequest(HttpPatch, resource, id, "", newStringTable(), headers).delete(LS, resource, id)
proc head*(resource, id: string, headers = newHttpHeaders()): LSResponse =
return newLSRequest(HttpHead, resource, id, "", newStringTable(), headers).head(LS, resource, id)
proc options*(resource, id: string, headers = newHttpHeaders()): LSResponse =
return newLSRequest(HttpOptions, resource, id, "", newStringTable(), headers).options(LS, resource, id)
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