mirror of
https://github.com/lxsang/antd-web-apps
synced 2024-12-28 02:08:22 +01:00
93 lines
2.3 KiB
Lua
93 lines
2.3 KiB
Lua
local get = {}
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get.fetch = function(user, cnd, limit, order)
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local db = require("db.model").get(user,"blogs",nil)
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if not db then return nil end
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local exp = {}
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exp[1] = {["="] = { publish = 1 }}
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if cnd then
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exp[2] = cnd
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else
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end
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local cond = {
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exp = {["and"] = exp },
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order = { ctime = "DESC" },
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fields = {
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"id", "title", "utime", "ctime", "utimestr", "ctimestr", "rendered", "tags"
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}
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}
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if limit then
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cond.limit = limit
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end
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if order then
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cond.order = order
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end
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local data, sort = db:find(cond)
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db:close()
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return data, sort
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end
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get.top = function(user, limit)
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return get.fetch(user, nil, limit)
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end
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get.id = function(user, id)
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return get.fetch(user, { ["="] = { id = id } }, nil)
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end
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get.minid = function(user)
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local db = require("db.model").get(user,"blogs",nil)
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local cond = { fields = { "MIN(id)" } }
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local data = db:find(cond)
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db:close()
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return data[1]["MIN(id)"]
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end
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get.maxid = function(user)
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local db = require("db.model").get(user,"blogs",nil)
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local cond = { fields = { "MAX(id)" }}
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cond.exp = {["="] = { publish = 1 }}
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local data = db:find(cond)
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db:close()
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return data[1]["MAX(id)"]
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end
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get.afterof = function(user, id, limit)
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local data, sort = get.fetch(user, { [">"] = { id = id } }, limit, { ctime = "ASC" })
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table.sort(sort, function(a, b) return a > b end)
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return data, sort
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end
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get.beforeof = function(user, id, limit)
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return get.fetch(user, { ["<"] = { id = id } }, limit)
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end
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get.nextof = function(user, id)
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return get.afterof(user, id, 1)
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end
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get.prevof = function(user, id)
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return get.beforeof(user, id, 1)
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end
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get.bytag = function(user, b64tag, limit, action, id)
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LAST_QUERY = b64tag
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local tag = bytes.__tostring(std.b64decode(b64tag.."=="))
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local cond = { ["LIKE"] = { tags = "%%"..tag.."%%" } }
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local order = nil
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if action == "before" then
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cond = { ["and"] = { cond, { ["<"] = {id = id} } } }
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elseif action == "after" then
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cond = { ["and"] = { cond, { [">"] = {id = id} } } }
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order = { ctime = "ASC" }
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end
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local data, sort = get.fetch(user, cond, limit, order)
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if(action == "after") then
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table.sort(sort, function(a, b) return a > b end)
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end
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return data, sort
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end
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return get
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