nitter/src/query.nim
2019-09-17 21:17:36 +02:00

102 lines
2.5 KiB
Nim

import strutils, strformat, sequtils
import types
const
separators = @["AND", "OR"]
validFilters = @[
"media", "images", "twimg", "videos",
"native_video", "consumer_video", "pro_video",
"links", "news", "quote", "mentions",
"replies", "retweets", "nativeretweets",
"verified", "safe"
]
# Experimental, this might break in the future
# Till then, it results in shorter urls
const
posPrefix = "thGAVUV0VFVBa"
posSuffix = "EjUAFQAlAFUAFQAA"
proc initQuery*(filters, includes, excludes, separator, text: string; name=""): Query =
var sep = separator.strip().toUpper()
Query(
kind: custom,
text: text,
filters: filters.split(",").filterIt(it in validFilters),
includes: includes.split(",").filterIt(it in validFilters),
excludes: excludes.split(",").filterIt(it in validFilters),
fromUser: @[name],
sep: if sep in separators: sep else: ""
)
proc getMediaQuery*(name: string): Query =
Query(
kind: media,
filters: @["twimg", "native_video"],
fromUser: @[name],
sep: "OR"
)
proc getReplyQuery*(name: string): Query =
Query(
kind: replies,
includes: @["nativeretweets"],
fromUser: @[name]
)
proc genQueryParam*(query: Query): string =
var filters: seq[string]
var param: string
if query.kind == users:
return query.text
for i, user in query.fromUser:
param &= &"from:{user} "
if i < query.fromUser.high:
param &= "OR "
for f in query.filters:
filters.add "filter:" & f
for i in query.includes:
filters.add "include:" & i
for e in query.excludes:
filters.add "-filter:" & e
result = strip(param & filters.join(&" {query.sep} "))
if query.text.len > 0:
result &= " " & query.text
proc genQueryUrl*(query: Query): string =
if query.fromUser.len > 0:
result = "/" & query.fromUser.join(",")
if query.kind == multi:
return result & "?"
if query.kind notin {custom, users}:
return result & &"/{query.kind}?"
result &= &"/search?"
var params = @[&"kind={query.kind}"]
if query.filters.len > 0:
params &= "filter=" & query.filters.join(",")
if query.includes.len > 0:
params &= "include=" & query.includes.join(",")
if query.excludes.len > 0:
params &= "not=" & query.excludes.join(",")
if query.sep.len > 0:
params &= "sep=" & query.sep
if query.text.len > 0:
params &= "text=" & query.text
if params.len > 0:
result &= params.join("&")
proc cleanPos*(pos: string): string =
pos.multiReplace((posPrefix, ""), (posSuffix, ""))
proc genPos*(pos: string): string =
posPrefix & pos & posSuffix