Module:Wikidata/Récup : Différence entre versions
| Ligne 162 : | Ligne 162 : | ||
function p.getClaims( args ) -- returns a table of the claims matching some conditions given in args | function p.getClaims( args ) -- returns a table of the claims matching some conditions given in args | ||
| − | |||
if args.claims then -- if claims have already been set, return them | if args.claims then -- if claims have already been set, return them | ||
return args.claims | return args.claims | ||
Version du 17 août 2015 à 18:36
La documentation pour ce module peut être créée à Module:Wikidata/Récup/doc
local p = {}
local function severalProperties(args)
local newargs = args
for i, j in pairs(args.property) do
newargs.property = j
local newclaims = p.getClaims(newargs)
if claims then
return claims
end
end
end
local function hastargetvalue(claim, target)
if target == nil then
return true
end
return samevalue(claim.mainsnak, target)
end
local function hasrank(claim, target)
if target == 'valid' then
return hasrank(claim, 'preferred') or hasrank(claim, 'normal')
end
if claim.rank == target then
return true
end
return false
end
local function bestranked(claims)
if not claims then
return nil
end
local preferred, normal = {}, {}
for i, j in pairs(claims) do
if j.rank == 'preferred' then
table.insert(preferred, j)
elseif j.rank == 'normal' then
table.insert(normal, j)
end
end
if #preferred > 0 then
return preferred
else
return normal
end
end
local function hasqualifier(claim, qualifier, qualifiervalues)
qualifier = string.upper(qualifier)
if not qualifier then -- si aucun qualificatif est demandé, ça passe
return true
end
if not claim.qualifiers or not claim.qualifiers[qualifier] then
return false
end
if (not qualifiervalues) or (qualifiervalues == {}) then
return true -- si aucune valeur spécifique n'est exigée
end
if type(qualifiervalues) == 'string' then
qualifiervalues = {qualifiervalues}
end
for i, j in pairs(claim.qualifiers[qualifier]) do
local val = p.getRawvalue(j)
for k, l in pairs(qualifiervalues) do
if l == val then
return true
end
end
end
return false
end
local function hassource(statement, source, sourceproperty)
sourceproperty = string.upper(sourceproperty or 'P248')
local sourcevalue = string.upper(source or '')
if not statement.references or not statement.references[sourceproperty] then
return false
end
if not source then -- si toutes les sources sont valides, du moment qu'elles utilisent sourceproperty
return true
end
for i, j in pairs(statement.references[sourceproperty]) do
if p.getRawvalue(j) == source then
return true
end
end
return true
end
local function hasdate(statement)
if statement.qualifiers and (statement.qualifiers['P585'] or statement.qualifiers['P580'] or statement.qualifiers['P582']) then
return true
end
return false
end
local function isinlanguage(snak, lang) -- ne fonctionne que pour les monolingualtext / étendre aux autres types en utilisant les qualifiers ?
if snak.snaktype == 'value' and snak.datavalue.type == 'monolingualtext' and snak.datavalue.value.language == lang then
return true
end
return false
end
local function isSpecial(snak)
if snak.snaktype == 'value' then
return false
end
return true
end
local function numval(claims, numval) -- retourn les numval premières valeurs de la table claims
local numval = tonumber(numval) or 0 -- raise a error if numval is not a positive integer ?
if #claims <= numval then
return claims
end
local newclaims = {}
while #newclaims < numval do
table.insert(newclaims, claims[#newclaims + 1])
end
return newclaims
end
local function comparedate(a, b) -- returns true if a is earlier than B or if a has a date but not b
if a and b then
return a.timestamp < b.timestamp
elseif a then
return true
end
end
local function chronosort(claims, inverted)
table.sort(claims, function(a,b)
local timeA = p.getDate(a)
local timeB = p.getDate(b)
if inverted then
return comparedate(timeB, timeA)
else
return comparedate(timeA, timeB)
end
end
)
return claims
end
function p.sortclaims(claims, sorttype)
if sorttype == 'chronological' then
return chronosort(claims)
elseif sorttype == 'inverted' then
return chronosort(claims, true)
elseif type(sorttype) == 'function' then
table.sort(claims, sorttype)
return claims
end
return claims
end
function p.getClaims( args ) -- returns a table of the claims matching some conditions given in args
if args.claims then -- if claims have already been set, return them
return args.claims
end
if not args.property then
return formatError( 'property-param-not-provided' )
end
if type(args.property) == 'table' then
return severalProperties(args)
end
--Get entity
local entity = args.entity
if type(entity) ~= 'table' then
entity = getEntity( args.entity )
end
if (not entity) or (not entity.claims) then
return nil
end
local property = string.upper(args.property)
if not entity.claims[property] then
return nil
end
if not args.rank then
args.rank = 'best'
end
local claims = {}
-- ~= '' lorsque le paramètre est écrit mais laissé blanc dans une fonction frame
for i, statement in pairs(entity.claims[property]) do
if
(
not args.excludespecial
or
not (isSpecial(statement.mainsnak))
)
and
(
not args.targetvalue
or
hastargetvalue(statement, args.targetvalue)
)
and
(
not args.qualifier
or
hasqualifier(statement, args.qualifier, args.qualifiervalue or args.qualifiervalues)
)
and
(
not args.source
or
hassource(statement, args.source, args.sourceproperty)
)
and
not args.isinlanguage
or
isinlanguage(statement.mainsnak, args.isinlanguage)
and
args.rank == 'best' -- rank == best est traité à a fin
or
hasrank(statement, rank)
then
table.insert(claims, statement)
end
end
if #claims == 0 then
return nil
end
if args.rank == 'best' then
claims = bestranked(claims)
end
if args.sorttype then
claims = p.sortclaims(claims, args.sorttype)
end
if args.numval then
return numval(claims, args.numval)
end
return claims
end
return p
